[jcl]

It may not be common to refer to it as such, but the PLT Scheme guys see the web as the killer app for Scheme's continuations:

http://www.cs.brown.edu/~sk/Publications/Papers/Published/kh...

http://en.wikipedia.org/wiki/Continuation#Continuations_in_W...

[waterhouse]

So maybe the new name comes from the fact that you serve with it.