Is Skype Microsoft's new weapon in the war against Apple?
It tooks its sweet time, but Apple now lets you deregister your number from iMessage - even if you no longer have an iPhone.
Thanks to free services like WhatsApp, iMessage and Facebook Messenger, IM use is set to double in 2014
A problem with iMessage means texts aren't reaching users who have defected from iPhone to rival operating systems.
AnalysisAvoid lost texts when switching from Apple to Android by following our guide to the iMessage bug.
Class action suit filed over issue that prevents iMessages reaching former iPhone users who switched to Android
Is Google ready to take a real swipe at Skype? Reports say it could consolidate Google Voice into Hangouts.