Unless you're a kid. Or Tom Sharman, who understands far more than most of us about these things.

Snapchat - or Snap, now - is reintroducing itself with new hardware (specs), new video output (circular) and of course, a new name.

I never fully understood the old version, to be honest, but I had to respect the loyalty it engendered with its (generally) younger users.

So let's see where this goes?