From http://swipe.nokia.com/applications/ :

"Make free Skype-to-Skype voice calls over 3G* or WiFi with Skype preloaded on Nokia N9. It’s quick and easy to make a call or start instant messaging – Skype integrates seamlessly with Contacts, Messaging and Phone."

"Facebook for Nokia N9 lets you keep up with your friends right at your fingertips. Update your status, see what your friends are up to, upload photos and check messages – anytime, anywhere. Facebook integrates seamlessly into the Events view as well as Messaging and Contacts, you can check out friends’ wall posts and updates quickly and easily."

From: http://europe.nokia.com/find-product...specifications

"Chat instant messaging support: Facebook, Skype, Gtalk, and services using sip"

"Contacts application combines phone and online contacts together, such as Skype and Facebook. Automatic and manual contact merging."

Maybe you should try reading the readily available information first?