Patent ID: 8195617

Claim:
A computer-implemented method of managing data storage among a plurality of data storage devices according to collaborative activity, the method comprising: determining collaborative activity for each of a plurality of data items associated with a first user and stored within a first data storage device; calculating a measure of relevancy for each of the plurality of data items according to the collaborative activity; comparing the measure of relevancy of each of the plurality of data items to at least one relevancy threshold; and selectively migrating different ones of the plurality of data items from the first data storage device to a second data storage device according to the comparing the measure of relevancy of each of the plurality of data items; continually calculating the measure of relevancy for each of the plurality of data items over time, and dynamically migrating different ones of the plurality of data items to the first data storage device from the second data storage device according to the comparing the measure of relevancy of each of the plurality of data items.