Aiming To "Make Meaning," Jaiku Co-Founder Leaves Google In October 2007, Google bought the Finnish social networking site Jaiku. In the following couple of years, they somehow managed to do absolutely nothing with it, even as rival Twitter rose in popularity. Today, co-founder Jyri Engeström is leaving Google. When we last talked to him in May, Engeström seemed to be enjoying what he was working