flickr users can opt out of allowinf their images to be pinned.
I think its interesting that Pinterest is going ahead and allowing opt-out before too many people get upset about copyright infringements.
Today the company is announcing that more than 50 million people used Aviary in the past month, giving it an effective monthly active user (MAU) base of 50 million across its own app, as well as in the implementations of Aviary partners such as Flickr.
community engagement and newsgathering through social tools like Twitter () and Foursquare (
“My Community” section, which provides users with a feed of content based on their specified location
TBD’s community engagement team will watch the content from the network of blogs and surface the best content it is producing by featuring it on the site
news site that integrates community bloggers, facebook, twitter, flickr, foursquare, allows crowdsourcing of stories- readers can add missing info, feeds specified based on readers location