Now YouTube is trying to leverage the site's increasingly emphasized social features to curate this content, first through widgets on the homepage like the Feed and eventually through other means.
Have political candidates reached out to leverage the site for their political campaigns?
One designer, Jake Frey, was even able to leverage the site to gain attention for his magnetic light switch.
Eight years after Amazon snatched up the daily deals site Woot!, the retailer is now leveraging the site to serve as another perk for Prime members.
This year alone, CrowdRise expects $100 million to $125 million in donations, with such prominent partners as the American Red Cross, the Clinton Foundation and the New York City Marathon leveraging the site to raise cash.
Companies like Postagram and Keepsy have been working on this, but they leverage other sites' photos.
Now, as then, the city's leverage over the site is largely limited to its control of streets and sidewalks.
It's used it to some degree to thread listeners' local reviews in to its programming and ad sales - but there are far more opportunities for Yell to leverage such a site, as it's already in the text ads space.
"Car dealers, which are still key to the buying process, will not want to cede so much leverage to one site, especially one as big as Amazon," says Hunter Gorham, CEO of Joydrive.com.com
"Our partnerships with these site owners enables SIGFOX to leverage existing sites to rapidly deploy our out-of-the-box connectivity solution in the U.S. market.
Otherwise, they would have leveraged their site's marketplace section in 2008 during the recession when companies first turned to social recruiting as a legitimate option in which to hunt, recruit, and fill open positions.
