Google tried something different the other day. Instead of buying the company - Google bought the software the company makes. They purchased Marratech's web conferencing software - used by Microsoft among others.
"Privately held and based in Sweden, Marratech develops downloadable conferencing software for Microsoft and Apple platforms, including chat, document-sharing, and online videoconferencing", according to the Motley Fool.
The Google blog distinguishes the fact that Google did not buy the company this time.