
AOL Instant Messages revolutionized the way people communicated online in the late 1990s and early 2000s. AOL Instant Messages allowed users to chat with friends and family in real-time, making it a game-changer for online interactions.
Initially, AOL Instant Messages were only available to AOL subscribers, but the service eventually expanded to include non-subscribers. This move helped to increase the user base and make the service more accessible to a wider audience.
The service was known for its iconic "Buddy List" feature, which allowed users to see when their friends were online and available to chat. This feature became a staple of online communication and is still remembered fondly by many who used AOL Instant Messages.
The rise of AOL Instant Messages coincided with the growth of the internet, and it's no surprise that the service became an integral part of online culture.
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History and Development
AIM was released in 1997, just one year after the first publicly available IM client, ICQ.
It quickly gained popularity, boasting 33 million unique users every month at its peak.
The service allowed users to share files, photos, videos, and music, as well as make free internet phone and video calls.
AIM evolved over the years to keep up with the changing demands of users, but ultimately became a relic in the instant messaging market.
Brief History
AIM, or AOL Instant Messenger, was released in 1997, just one year after the first publicly available IM client, ICQ, hit the scene. At its peak, AIM boasted an impressive 33 million unique users every month.
The first version of AIM allowed users to send simple text messages, but over the years it evolved to offer more features. Users could share photos, videos, music, and other files, and even make free internet phone and video calls.
AIM's impact on the internet culture of the late 1990s and early 2000s cannot be overstated. It was a significant part of the way people communicated online during that time.
The service was discontinued in 2017, but its legacy lives on. AIM laid the foundation for the way we communicate today, introducing tech-speak into the modern vernacular.
Phoneline Services

AIM Phoneline Services were a big part of the platform's appeal, especially with the rise of Voice Over IP (VoIP) telephony.
You could make free internet phone calls to other AIM users using a headset with a built-in microphone or a computer with speakers and a microphone.
AIM Call Out was another VoIP service that allowed you to call any phone number directly from AIM, but be warned, you'd be charged by the minute.
This service was similar to Skype, but with AIM's own twist.
Features and Functionality
To start using AOL Instant Messenger, you needed to sign up for a screen name, which was like an e-mail address for IM. You could find an available screen name by going to the AIM website and following the prompts.
To set up your profile, you'd type in your desired screen name and a password, then answer some security questions. If your screen name was already taken, AIM would help you find an alternative.
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You could also download the AIM software client, which would automatically search your existing e-mail contacts for buddies. The software would then give you the option of adding these screen names to your Buddy List, which was the organized list of IM contacts stored in your account.
Some common Buddy List groups included Buddies, Family, Co-Workers, and AIM Bots. You could add new groups of your own by going to the Edit menu and choosing "Add Group."
Here's a breakdown of the steps to sign up for an AIM screen name:
- Go to AOL Instant Messenger and click on the link that says "Get a screen name."
- Select "Create an account" and click continue.
- Type in your desired screen name and a password.
- Answer the security questions and click continue.
- If your screen name was already taken, you'd be prompted to enter a new one.
Using
To get started with AOL Instant Messenger, you needed to sign up for a screen name, which was like an email address for IM. You'd go to AOL Instant Messenger, click on the link that says "Get a screen name", and follow the prompts.
To sign up for an AIM screen name, you'd select "Create an account" and click continue. You'd then type in your desired screen name and a password, and answer the security questions. If your screen name was already taken, AIM would help you find an available screen name based on your preferences.
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Once you had a screen name, you needed to download the AIM software client. The first time you opened the AIM software, it would ask if you want to search your existing email contacts for buddies.
The default Buddy List groups in AIM were Buddies, Family, Co-Workers, and AIM Bots. You could add new groups of your own by going to the Edit menu and choosing "Add Group."
To send an IM, you could either highlight the contact's screen name in the Buddy List and click the IM button, or double-click on the buddy's name and an IM window would automatically open.
Sending Messages
You could send an IM to someone on your Buddy List by highlighting their screen name and clicking the IM button at the bottom of the window, or by double-clicking on their name to automatically open an IM window.
To send an IM to someone not on your Buddy List, you'd go to the AIM menu and select "New IM", then enter their screen name.
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The easiest way to send an IM was to use the Buddy List, which made it easy to keep in touch with friends and family.
You could also send an IM to a cell phone as a text message, but you'd need to know the cell phone number of the person you wanted to send it to.
To do this, you'd need to register your cell phone for IM forwarding by going into the main Edit menu and clicking on Settings, then choosing Mobile.
If you wanted to reply to a forwarded IM from your cell phone, you could simply type a message and send it back to the original sender.
There were two basic ways to send an IM: by highlighting the contact's screen name and clicking the IM button, or by double-clicking on their name.
Here are the basic steps to send an IM:
- Highlight the contact's screen name in the Buddy List.
- Click the IM button at the bottom of the window.
Or, you could double-click on the buddy's name to automatically open an IM window.
File Sharing
File sharing was a convenient feature of AIM that allowed you to send individual files or whole file folders to any other AIM user.
To start a file transfer, you'd double-click on a buddy or open a new IM window through the AIM menu, then click on the "Send Files" button at the bottom of the IM window and choose "Send File" or "Send Folder."
This would open up a window asking you to select the file or folder from your computer.
The recipient could choose to accept or deny the file transfer.
AIM 6.5 also introduced a special "Pictures" button at the bottom of the IM window, which let you drag and drop photos into the IM window.
These photos would be resized and sent instantly to the recipient as individual pics or a slideshow.
To access your AIM Profile page, you could go to the AIM menu and choose "Open My Profile."
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Human Connection

Human connection was a major part of the AIM experience.
For many users, AIM provided a sense of freedom and openness that they didn't feel in face-to-face interactions. Christopher Yee, for example, was a shy teenager who found it easier to express himself online.
Away statuses, like the ones Christopher used with lines from emo songs, allowed users to share their moods and interests with others. This was a way for people to connect with others who shared similar passions.
Users could also share links to their personal blogs, like Christopher's Xanga blog, to showcase their creativity and personality. This helped others get to know them better online.
Profile pictures made in MS Paint, like the ones Christopher used, were a common sight on AIM. These quirky images added to the platform's charm and personality.
AIM users often had screen names that reflected their identities, such as Christopher's GoDodgers22. This allowed people to present themselves in a way that felt authentic and true to who they were.
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Pages

AIM Pages was a free website released in May 2006 by AOL, replacing AIMSpace. It allowed users to create their own web page and display an online, dynamic profile.
Anyone who had an AIM user name and was at least 16 years old could create their own web page. This feature was a great way to share your personality and interests with friends.
AIM Pages enabled users to share their profiles with buddies from their AIM Buddy list.
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Share
Share was a key feature of AIM, allowing users to easily send files and photos to their buddies. You could send individual files or whole folders with just a few clicks.
To send files, you'd double-click on a buddy or open a new IM window, then click the "Send Files" button and choose "Send File" or "Send Folder." This would open a window where you could select the file or folder from your computer.

AIM 6.5 also had a special "Pictures" button that let you drag and drop photos into the IM window, which would be resized and sent instantly to the recipient as individual pics or a slideshow.
AIM Share was another web service that let you send a link or broadcast a message to all of your buddies at once. You could either log onto the AIM Share website or add a special AIM Share button to your browser toolbar.
Here are the steps to share a link with AIM Share:
- Click the AIM Share button on your browser toolbar.
- Enter a quick description and press "Share" to send the link to everyone on your Buddy List.
AIM also had a feature called AIM Pages, which let you create your own web page and share it with buddies from your AIM Buddy list. This was a free website released in May 2006 by AOL in replacement of AIMSpace.
Technical Details
The standard protocol used by AIM clients to communicate is called Open System for Communication in Realtime (OSCAR). This protocol is used by most AOL-produced versions of AIM and popular third-party AIM clients.
AOL also created a simpler protocol called TOC that lacks many of OSCAR's features, but was sometimes used for clients that only require basic chat functionality. The TOC/TOC2 protocol specifications were made available by AOL.
AOL introduced experimental Extensible Messaging and Presence Protocol (XMPP) support for AIM in January 2008, but this service was discontinued in March 2008.
Protocol
AIM clients used a standard protocol called Open System for Communication in Realtime (OSCAR) to communicate, but AOL also created a simpler protocol called TOC that lacked many features.
The TOC/TOC2 protocol specifications were made available by AOL, while OSCAR is a closed protocol that third parties had to reverse-engineer.
In January 2008, AOL introduced experimental Extensible Messaging and Presence Protocol (XMPP) support for AIM, but this service was discontinued just two months later in March 2008.
AOL started offering limited XMPP support in May 2011, but this service was eventually desupported on March 28, 2017.
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Vulnerabilities

AIM had security weaknesses that enabled exploits to be created, allowing malicious acts on users' computers. These exploits were often relatively harmless, but some performed potentially dangerous actions.
Some of these exploits relied on social engineering to spread, automatically sending instant messages with a URL and text suggesting the user click on it, leading to infection.
These messages could easily be mistaken as coming from a friend and contained a link to a Web address that installed software on the user's computer.
Impact and Legacy
AOL Instant Messenger (AIM) had a significant impact on the way people communicated online, with over 36 million users at its peak in 2002.
AIM's popularity was largely due to its user-friendly interface and innovative features like buddy lists and screen names.
The service allowed users to communicate with friends and family in real-time, revolutionizing the way people stayed in touch.
In 2006, AOL released a major update that added new features like file sharing and customizable backgrounds.
This update helped AIM stay competitive with other instant messaging services like MSN Messenger and Yahoo! Messenger.
AIM's legacy can be seen in the many instant messaging apps that followed, including Facebook Messenger and WhatsApp.
These apps have built upon AIM's foundation, offering even more features and functionality to users.
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Status and Availability
AOL Instant Messenger, or AIM, was a popular instant messaging service in the early 2000s.
AIM was available for both Windows and Mac operating systems.
In its heyday, AIM had over 36 million active users at any given time.
To access AIM, users would need to download and install the software on their computer.
AIM was known for its iconic buddy list, where users could see when their friends were online and what they were up to.
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