Recognizing that simply publishing snapshots of government information is not enough to make it open, we need to improve the quality, accessibility, timeliness, and usability of our data and content through well-defined standards that include the use of machine-readable formats such as web APIs and common metadata tagging schemas.

WHITEHOUSE: Digital Government

When a photo or video is deleted, or when a person deletes his or her account, we delete all of the metadata for the content as well as any and all tagging and linking information.

FORBES: Facebook developers accidentally excite the Internet with a 'Delete Account' option