Google App Engine [1] uses the search giant's vast infrastructure. App Engine applications are scalable, in terms of both processing and storage
Users can serve application from their own domain name or a name from the appspot.com domain. You can share or limit access to your organization.
App Engine supports Java and languages using a JVM-based interpreter or compiler, including JavaScript or Ruby. The runtime environment is Python, which includes a fast Python interpreter and the Python standard library.
Links:
[1] http://code.google.com/appengine/docs/whatisgoogleappengine.html
[2] http://www.fiercebiotechit.com/special-reports/emc
[3] http://www.fiercebiotechit.com/special-reports/fierce-cloud-services-biopharma-r-d
[4] http://www.fiercebiotechit.com/special-reports/ibm