no idea...

but i know many of the guys just use Google+ and Hangout for discussion, etc...

i've personally stopped playing due to time constraints. but it was fun when i was playing it... running around, capturing portals, learning from some of the sifu...

iinm, they are using back the data from Ingress for Pokemon Go.

so ya, places where Ingress players submitted as portals, well... that's where you can find gyms and stops. and sadly... a lot of these places... weird la... roadside shrine, exercise area at playground... graffiti on some roadside... **pengsan**

not sure if they will refresh data in Pokemon Go or not...

anyway, better to chat here regarding PG: https://forum.lowyat.net/PokemonGO

as for type... i guess it depends on the geographical nature of the place -- next to river/ lake, mountain area, city area... forest, nature park