What a great way to learn, must be an exciting experience for the class. This working relationship could be used to have kids respond to eachother's projects or literary assignments, while inadvertently creating their own PLN. Sounds like an opportunity for fun and it's also a way to discover the world. If I were teaching Spanish, I could see myself connecting with a School in for example Chile and what fun we could have… And yes the kids would be learning too! Basic conversational skills could be taken from memorization to active, engaging learning. The kids could email back and forth or Skype and be given a set of questions to ask in the language they are studying and in real time they would have to practice responding and learn to translate their thoughts. I love this approach as the motivation to learn would become intrinsic, the pedagogy would be meaningfull.