Language Learning Online

A colleague recently sent me this NY Times article and it has some interesting commentary on using different websites to study languages online.

"The Web Way to Learn a Language"

It discusses everything from free websites to expensive software and the success people are finding learning online.

Have you studied a language online? Do your students? Which websites do you find useful?

I haven't used online content to study Russian, but I have surveyed a number of sites for my students. I like:
BBC Learning English (I love BBC in general)
ELLLO

Do you have others I can add to the list?