Facebook provides a set of open application programming interfaces (APIs) that allows third parties to develop Facebook applications.

FORBES: How Companies Can Make The Most Of Their Facebook Data

In short, the Learning Registry has created open application programming interfaces (APIs) that allow publishers and others to quickly publish metadata and paradata about their content.

FORBES: Learning Registry Looks to Give Educators the Resources They Need

Alsop admits that the pay TV companies are starting to open up programming interfaces, but only for access to their program guides, not to execute programs on their technical platforms.

FORBES: Second in a series.