On the Amazon cloud you could create many options for running databases in the cloud. A brief look at "Running databases on AWS" suggests comprehensive cloud as a database service resourcesoffered by Amazon. While Amazon RDS offers you the choice of MySQL, Oracle or SQL Server, Amazon DynamoDB offers you NoSQL storage while Amazon SimpleDB offers schemaless database.
Adding location-aware services to applications is one of the best ways to increase user engagement. Developers looking to enhance apps in this way can check out the ProgrammableWeb directory for location APIs to fit their needs. Here we list the most popular APIs for from our Location category.