It's hard to predict, and even harder to handle appropriately. It may come in the form of a Google Alert, a phone call inviting comment, or an email from a customer or colleague. You, or your company, is being criticized in public...The way you handle a negative story can make all the difference. Here's how to respond without fanning the flames of a negative situation.
Read steps here
http://www.entrepreneur.com/article/225059#
Pinterest has grown from 700,000 to 20,000,000 unique users in the past year; that's already almost half the number of Twitter's users.
It is cannibalizing other social media: Compete attributed a 3% decline in Facebook activity in June to users' preferences for Pinning.
1 in 4 users spend less time on other social media in Pinterest's favor, with 15% of Pinterest users saying they don't use any other social sites.
That number's even higher, 23%, among those with an income of less than $30,000.
Read more here
http://www.marketingprofs.com/short-articles/2642/pinterests-impact-on-users-and-on-your-brand#ixzz28S4pxro1