Paltalk

A website with many rooms to talk.
You can do multiconferencing with audio and video.
Trivia games and more...

You have to install the program and then find a room or group to join in.
It is posible to watch live presentations there... and... i have to investigate more...
;)

Rooms for talking in english
1) SpanishEnglishInglesEspanol
http://chat.paltalk.com/g2/paltalk/520028574
Here they check your mistakes talking in english and pronounce in english and spanish several sentences for learning and improving your english.