outlook.com
Outlook.com gets Google Talk integration
Users of Outlook.com will be able to chat to users of Google's Talk instant messaging service, but video and audio chats are not supported yet.
Microsoft begins integrating Skype into Outlook.com
Staggered rollout starting in the UK and lasting for months
Microsoft begins migrating users away from Hotmail and towards Outlook
The service will replace Hotmail/Live, and the company has begun migrating users away from its existing services