Facebook, Inc.

Quenton Longmire Cook

Daniel Kim

George Siqiao Wang

In one embodiment, a method includes receiving a datafile and associated metadata, wherein the associated metadata has a reserved area of storage space and a known format, determining a sampled format for the associated metadata, wherein the sampled format creates available spaces within the reserved area of storage space, determining data to be embedded in the associated metadata, inserting the data to be embedded into a least one of the available spaces, and providing the datafile and the associated metadata with the inserted data.

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San Francisco, CA, United States of America

Quenton Longmire Cook