Two weeks ago the Microsoft SOA and BP Conference took place in Redmond. During this Conference a lot of buzz words and concepts were spread around. A couple of speakers from this Conference have done an interview one can find at channel 9, where they explain a couple of these words and concepts like SOA, Software as a service, Sofware + services, Enterprise Service Bus, Internet Service Bus, BizTalk Services are explained.
Technorati: 
SOA 
SaaS 
Software and services 
Internet Service Bus 
BizTalk ServicesLabels: SOA, Software and services