The Streak Ruby SDK by Kristof allows to communicate with the API to implement customer relationship management features into gmail inbox. Usage demonstrates how to access with key & create, load, edit and delete resources.
A short while ago Bob Reselman wrote a piece, Why Message Queues Suck. As you might imagine, the piece caused quite a stir, particularly on Reddit. Many readers did not buy the idea for a variety of reasons. One area of disagreement was around fail safety and high availability.