I would like to start a little discussion about serious video games. Do you think serious games DO have their place in today's world ? What kind of serious games do you think the most interesting in term of education / work tools ?

I've recently read an article about the educational power of such games in early ages. Do you think serious video games could become a ubiquitous learning tool in primary school ?

Any experience, title share or ideas are heightly appreciated, I want to get a feel of this question from experienced game developper that are interested of writing an answer !