How many companies that sprouted in 1724 can boast of an API launch in 2012? Pearson, now in its 288th year, has announced its 7th API. Pearson, continually finding value in the API method of market strategy, expanded its resources available via API with the dkimages API. The latest in Pearson's API lineup consists of "an encyclopaedic collection of 90,000 high-resolution images, ready to [integrate, and range from] classic whilte background shots to in-situ images." The API allows developers to integrate the collection with existing apps through purchasing, listing, viewing, or searching for images.
Folks interested in "open knowledge" should check out CKAN (Comprehensive Knowledge Archive Network)
CKAN is the Comprehensive Knowledge Archive Network, a registry of open knowledge packages and projects (and a few closed ones).