Steve Terry wrote

Sorry i don't mean on the underground, i was thinking of all the
coffee
shops and pubs a couple of years ago i was able to use completely
free
until the big networks frightened them with stories of abuse
and sold them their secure systems.

I haven't seen an open wifi in months, all WPA now

Free but you have to register (took 4 minutes on my Kindle Keyboard)
from Cloud (Caffe Nero) same for John Lewis I understand.

--
Mike D