What’s the difference between SaaS and ASP?

The founder of my firm Marc Hausman has a post over on Blogpost, The Strategic Guy. Last Tuesday we had dinner with Scott Burns, the CEO of GovDelivery — www.govdelivery.com — a provider of outsourced email and constituent communication services to the U.S. government. Scott has a very interesting take on the difference between Software as a Service (SaaS) and application service provider (ASP). Here’s Marc’s post:

 http://strategicguy.blogspot.com/2008/01/great-saas-debate.html