Gnip.com
Re-Launching February 2010
The Gnip Internet Data Collection Appliance version 2.0
Collect all available statuses, posts, comments, photos, videos, bookmarks, and more from dozens of sites.
Monitor your hosted Gnip Data Collector in realtime with 100% insight into what%u2019s happening and why.
Manage your rules to maximize data collection and minimize latency; or let Gnip%u2019s software do it for you.
Focus on creating value with the data, leaving the collection to us.
via gnip.com
Another group doing the same kind of thing.