Meebo is a service that allows you to connect to multiple social networking and messaging accounts at once. This means you can browse FaceBook, twit away on twitter and also chat to people on AIM/MSN/Yahoo etc.

Every service in one App

The people at Meebo have now released an app for iPhone users, tagged as “the one app to rule them all”,  there are some very nice features integrated into Meebo. First and foremost is the support for many services, support for Landscape Mode and the application not only records your chat history but lets you search through it at any time!

Read more at -

http://www.macrumors.com/iphone/2010/02/15/meebo-brings-dedicated-app-to-iphone/