http://pokemongolive.com/en/post/starbucks/

http://pokemongolive.com/en/post/sprint/

http://www.pokemongolive.com/en/post/ver-update-120616/

Pokemon from their own Twitter Tweeted this
More Pokémon are coming to #PokemonGO! Stay tuned for details on 12/12, Trainers!
https://twitter.com/Pokemon/status/806497894635307008

So much in just two days of Pokemon Go.

2nd Gen