I think that's a little unfair tbh; there are plenty of places that already do that, but don't take account of the memory footprints on the clients machine etc.

I think that's a little unfair tbh; there are plenty of places that already do that, but don't take account of the memory footprints on the clients machine etc. I do agree that 1MB is arbitrary, but it's the right kind of arbitrary IMHO.