... CenturyLink has acquired AppFog, joining teams with their Savvis IaaS cloud offering! CenturyLink is the world's 3rd largest telco... acquired Savvis and entered the IaaS cloud space. Savvis has a global presence with more than 50 data centers across North America, EMEA and Asia...
... FAQ that should address most of your questions about this acquisition...
http://www.appfog.com/savvis/faq