A simplified Yahoo! Messenger version chart

For a comprehensive comparison, click here. Via Yahoo!

How to block Yahoo Messenger Ads

Just a Notepad to block those ads.
See details from TheNonHacker dude.
1. Open Notepad.
2. Open the following file:
C:\Windows\system32\drivers\etc\hosts
3. Add the following line at the end of the text file:
127.0.0.1 insider.msg.yahoo.com

Flickr video in Yahoo! Messenger 9.0

YM version 9.0 now supports inline Flickr videos. Flickr videos are limited to 90 seconds. The idea is to feature a long photo that users take with their mobile phones.
Here is a Flickr video, or a long photo, titled bay atmosphere.

Digsby, Adium, Pidgin, YM, Meebo: Vote for your favorite Instant Messenger service

About.com is running its first ever IM Best Awards. Winners will be announced on April 21, 2008. Among the categories:

Best Instant Messenger Experience (current results)
Most Improved Instant Messenger (current results)
Best Mac Instant Messenger (current results)
Best Third-Party IM (current results)
Best IM Feature (current results)
IM Developers of the Year (current results)

Here is the list of nominees. (I [...]

Yahoo! Messenger for Mac adds voice calling

The latest version of Yahoo! Messenger for Mac Beta adds voice calling function.

With this new version, you can make free PC-to-PC calls or sign up for a Phone Out account to make calls from your Mac to regular or mobile phones worldwide for as low as 1¢ a minute (see rates). And if you want [...]

Yahoo Messenger 9.0 features an inline video player

Yahoo Messenger releases 9.0 beta and is set to retire versions 5.5 and 5.6 by April 2, 2008. You can download the version 9.0 here. The latest allows you to link a video and YM automatically plays the video from within the chat window. Users don’t need to click on the link to play the [...]