Our first product is built on top of StackVM and is called Browserling. It’s an interactive cross-browser testing tool inside of your browser. A real browser inside of your browser! Just go to browserling.com to try it out! (please use Chrome.)
Sharding is a great scalability solution, but as Foursquare recently revealed in a post-mortem about their 17 hours of downtime, sharding also has problems. MongoDB, the database Foursquare uses, also contributed their post-mortem of what went wrong too.
Murder is a method of using Bittorrent to distribute files to a large amount of servers within a production environment. This allows for scaleable and fast deploys in environments of hundreds to tens of thousands of servers where centralized distribution systems wouldnt otherwise function. A “Murder” is normally used to refer to a flock of crows, which in this case applies to a bunch of servers doing something.