Google Introduces Flash CompetitorSource: techcrunchit.com
Google's release of its Gmail Video service is noteworthy for several reasons. It is integrated into the Gmail console, adding voice and video services to the realtime console that is being built out around XMPP.
Call users from inside your GmailSource: blogs.zdnet.com
Today I found several references to an unreleased feature in Gmail while digging through the source code. The code clearly referenced a feature that will enable users to call contacts from inside Gmail.
GTalk gets an UpgradeSource: Lifehacker
Google Talk turns one year old today and decided to celebrate with some upgrades.

You've heard about them. You've most likely used one of them. Messenger powerhouses AIM Triton and Live Messenger (formerly known as MSN Messenger) are going head to head. I've got the breakdown with which one is more efficient, so here's the excruciating match-up.
Meebo Competition?Source: TechCrunch
The battle of the Ajax web chat services took a new turn today when old-school E-messenger.net relaunched as Ebuddy.com. The Netherlands based company has also secured a round of funding from an as yet undisclosed, but top tier, VC firm.
Meebo.com - aim, icq, yahoo, msn, jabber, gtalkSource: www11.meebo.com
OK. It's faster. It can host 4 apps. It's a decent interface It uses all the fancy web2 tricks. But some definite issues. No sound when an IM comes through only they figured out how to flash the title window.

Now you can talk in Google Talk all within your browser. Earlier in the week Google enabled a feature allowing you to save Gtalk conversation directly to your Gmail account. Now you can instant message from it as well.
Google talks to the PSTN?Source: lightreading.com
Google has entered into an agreement with a third party to extend its VOIP capability to the rest of the PSTN-connected world,
Open federation for Google TalkSource: Google
Google has allowed gtalk to now contact other jabber servers so if you have contactrs on jabber.org chat.mail2web.com or any other jabber server you should be able to communicate between them.

Google Talk 的用户现在可以和所有基于XMPP协议的IM软件用户直接交流了。这些用户包括了Earthlink, Gizmo Project, Tiscali, Netease, Chikka, MediaRing 和其他一些, Google 还计划将来实现不同协议之间的IM 软件互通。
meebo.comSource: www.meebo.com
A web based IM client like Trillian. It's still in alpha so it may not do everything - yet. Give it a try.