Pinterest passes 150 million monthly active users, up from 100 million a year ago

Pinterest revealed today that more than 150 million people use its visual bookmarking and ideas service, with more than 75 billion “ideas” shared. This is a 50 percent increase from more than a year ago, when the company first revealed its usage numbers and declared it had 100 million monthly active users.
More than half of the people using Pinterest and 75 percent of new sign-ups are from outside of the U.S., according to company chief executive Ben Silbermann. The service is no lon