The data marketplace Infochimps recently expanded their API to include datasets such as Twitter People Search and IP to demographic. To get that data into R, you could easily download the full dataset and import, but why do that when you can connect to the Infochimps API directly from R? Drew Conway recently updated his own R package, available on GitHub, to allow for new API calls, so now it’s even easier to explore 60,000+ UFO sightings.