With today’s release of iOS 5, Apple has added a significant new feature to their Messages app with the introduction of iMessage. Seamlessly integrating into the existing Messages application, ...
Furthermore, iOS 6 will bring the unification of phone number and Apple ID, so if someone calls on the phone with FaceTime using your phone number, you’ll still be able to answer on your iPad, or Mac.
Apple added a whole new feature to iMessage in iOS 10. An entire app store just for messages stocked with stickers, various keyboards, and all sorts of other apps. Here's six you should be using.