[notahacker]

Early Facebook had the facility to get in touch (or stalk!) people I had no contact details for provided I knew their name, and check out upcoming party details, not mention a photographic record of my university life complete with comments and status boosting likes. Facebook didn't need to remain cool to be relevant and useful, and I logged in far more often than someone sent me an actual message from the service - still do a decade on.

Snapchat is a messaging app which distinguishes itself from the other messaging apps users also have installed on their phones by the fact it doesn't preserve any past interactions. Much like when I stopped bothering to log into MSN Messenger because people sent me messages in other ways, it dies in the eyes of its users once the daily updates stop, or even more quickly if the daily updates become near-exclusively advertising of the unwanted kind