Google TV, the folks at Mountain View have purchased SageTV. The HTPC software has been doing its media center thing on multiple platforms since 2002, and according to a note on its homepage the developers "believe our ideas will reach an even larger audience of users worldwide on many different products, platforms and services." While there's no word on exactly what Google has planned, SageTV has long included DVR and placeshifting features that the Google TV product lacks by itself. The bad news for current users is that the store links on SageTV's page have suddenly stopped working, so hopefully you snagged the software already if you're interested. If your main question is "What is SageTV?" check out a demo video created by user jaredduq that is embedded after the break.
[Thanks, Jason, screenshot courtesy GeekTonic]