Twitter today announced its latest acquisition, along with a move into offering richer resources to attract better engineering talent to the company, TechCrunch reports. It has bought Marakana, an open-source technical training company; and in turn, Marakana will be the force behind a new effort called Twitter University. School mascot: a blue bird, not a whale. “The founders, Marko and Sasa Gargenta, have impressed us with their entrepreneurial leadership, commitment to learning and technical expertise,” writes Chris Fry, the head of engineering at the company in a blog post. The move is an important sign of a few things.