Instructional Design Director Cheryl Compstock was talking about this very thing yesterday--that it's time to add Web 2.0 into our way of thinking about instruction (which includes some mobile technology as well as shared creation of content).
So lo and behold, the issue on Mobile Learning out of Athabasca U in Canada. The guest editorial is a nice way to think about mobile learning and get an overview of the contents of this issue:
Total Journal Content
The articles are available in HTML, PDF, and MP3 formats.