Using iMessage
Martin Trautschold, Rene Ritchie, Gary Mazo · Apress eBooks · 2012
iMessage is Apple’s new service that does exactly the same thing as SMS and MMS on phones, but works over Wi-Fi networks and only with other iOS 5 devices (like iPod touches, iPhones and iPads). These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.