“Link by link, click by click, search is building possibly the most lasting, ponderous, and significant cultural artifact in the history of humankind: the Database of Intentions. The Database of Intentions is simply this: the aggregate results of every search ever entered, every result list ever tendered, and every path taken as a result …
…search will more likely become intelligent via the clever application of algorithms that harness and leverage the intelligence already extant on the Web—the millions and millions of daily transactions, utterances, behaviors, and links that form the Web’s foundation—the Database of Intentions.”
-John Battelle, The Search, pgs. 6 and 17
[...] and that’s why they are pushing for an “open” decentralized social graph. [Double hint: personally, I'm pushing for databanks and a public resource [...]