https://www.theregister.co.uk/2018/07/01/network_roundup_july_1_2018/

ROUNDUP Did you ever wish you had a half-a-gigabit-per-second connection you could fire up anytime, at zero cost? You can, it turns out – but only between paired Android phones.

Google last week announced an upgrade to its Files Go app, which it says is particularly popular for phone-to-phone transfers in places like India as it gets around using expensive mobile data to share pics.