Service between devices will the iPhone looks like the well-known WhatsApp, also be free, we will only need Wifi and ready, we can share SMS, messages, images, photos, videos and much more.
As it is known that an SMS is different from a chat message, Apple ideo a function in the application to distinguish them, the blue messages are messages free of iMessage and the Greens are messages sent by SMS from an Iphone, with which we have messages free all day, but via iOS5, only iOS5 and devices.
A very interesting novelty which you can soon enjoy. Unfortunately there is now PC version of the application so we have to search alternatives such as iOS emulators.