How to setup iMessage app in iPad iOS 5

iMessage is a free messaging service that's similar to BBM or AIM. With iOS 5, iPad uers are able to send text messages, photos, videos, locations and contacts to other iPad, iPhone users by using iMessage app.How to setup iMessage app on iPad iOS 5* Make sure you iPad is runnning iOS 5 or later, and has WiFi or 3G connection.* On the device's Home Screen, tap Settings > Messages. Sign in with