Snapchat

Speaking in the wake of the Charlie Hebdo attacks, the prime minister said he does not want to allow any means of communication that is completely secure and cannot be read by the security services even with "a signed warrant from the home secretary personally".

That strict definition of communication could include common encrypted messaging services such as WhatsApp, Apple's iMessage, and everyone's favourite picture messaging app, Snapchat. There's various reasons why such a ban may not actually happen, but a lot of people are concerned for the future of their Snapchats.