Samsung postpones m-payment launch; Microsoft prepares July launch for Windows 10

> ARM, a UK chip design company, opened acquisition talks with Sansa Security, an Israel-based mobile chip security provider. Report

> Lenovo announced that mobile chief Liu Jun is stepping down and will be replaced by Chen Xudong. Report

> Chile signalled its intent to compete with China as a supplier of rare earth minerals used in smartphones and myriad other products. Article

> Microsoft said Windows 10, its first multi-platform operating system, will launch on July 29. Report

> Samsung delayed the launch of a mobile payment service until September. Article

And finally…Cut down your smartphone usage…with an app. Article