2. Pinterest is retaining and engaging users as much as two to three times as efficiently as Twitter was at a similar time in history. (via RJMetrics)
3. Pinterest accounts for 3.6 percent of referral traffic, while Twitter just barely edged ahead of the newcomer, accounting for 3.61 percent of referral traffic. In July 2011, Pinterest accounted for just 0.17 percent of referral traffic, proving the site's blockbuster growth. (via PR Daily)
4. According to AppData and Facebook, 97 percent of Pinterest users are women.
5. American users of the social network spend an average of one hour and 17 minutes on the site, well ahead of Twitter (36 minutes), LinkedIn (17 minutes), and Google+ (six minutes). (via AllTwitter)
Want to see how other companies are using Pinterest to gather a following for their brand? Here are the top corporate Pinterest boards: