Wondering how Facebook does test automation? Well, here it is! Paul Marinescu describes how they came up with their own integration testing framework for service-oriented architecture using some clever autonomous features.
How do you know what and how to test? Maaret Pyhäjärvi shares some valuable insights from the course she's recently taken.
And for more testing ideas, you may also be interested in the comprehensive guide to Ad-Hoc Testing by Fahim Sachedina.
How to test when there are no testers? Here's a very interesting explanation of the testing parties process that Luis Silva Hernandez and his colleagues came up with.