Pinners beware: a new add-on may not be what it claims to be.
Microblogging site is now the fourth largest social network, according to Alexa rankings.
19 percent of female Internet users in a Pew Internet & American Life Project survey said they use Pinterest, while only 5 percent of men said they were on the site.
The Chicago Teachers Union has been relying on its social media presence to get its side of the story to the public.
This week, pinners looked forward to the change in seasons with thoughts of pumpkins, candy apples, and new looks for fall.
Scammers are stealing Pinterest accounts and using them to post spam messages to users' linked Facebook and Twitter accounts.