"We've been covering Yahoo's deepening interest in Hadoop over the past year. The latest development came last week when Yahoo joined the Linux Foundation. It was another signal of its focus on Hadoop and its further commitment to the data analytics technology."

What does joining the Linux Foundation have anything to do with deepening commitment in Hadoop? Supporting Linux makes sense if you're running it on thousands of machines, while Hadoop is a platform-independent (Java-based) stack.