Theories have appeared, with one being that Facebook's Poke app is a direct result of a failed buyout. Potentially supporting a bruised ego, Poke might just be a challenge to Snapchat's niche.
A week of Windows 10, holograms and Exploding Kittens on Mars
Office 2016 launching this year, touch apps coming soon
Microsoft reveals the next version of Windows 10
Introducing Windows 10 for phones
Hands on with HoloLens
Download: Windows 10 build 9926