Ventureblog has an excellent article on how Dartmouth students and faculty are utilizing their ubiquitous wireless connectivity.  Worth the read. 

NOTE:  I want a matchbox-sized wireless access point (more a relay station than a wired access point) that I can plug into a wall socket.  If anyone builds one, I will order a dozen (if less than $30 a pop). [John Robb's Weblog]

Doesn't everyone!?  ;-)