Pinterest has quickly evolved into a social media eye-candy powerhouse. People are now pinning images as often as they tweet, according to new data from the Pew Research Center. If your business isn't on Pinterest yet, social media marketing packages you might want to think seriously about jumping on board. Pinterest can enable you to tell your company's story in visually engaging ways that enhance your brand image and attract potential new customers.It seems like every day we could report on another PR crisis hitting some unfortunate brand. But what's the real effect of these crises, and how long do they typically last? Social media monitoring company SDL took a look at three brands that faced a PR crisis since social media has become ubiquitous--United, Nestle, and Dominos--to find out how long it took each to recover. The results are compiled in the infographic below. As you can see, it took some (Nestle) longer than others to recover its positive online sentiment. But hey--at least they all recovered.With Pinterest's "Me + Contributors," you can invite clients, customers, employees and even similar brands, to contribute to a group board. They will be notified via email that you have invited them, and you will receive emails from Pinterest when they add pins to your group board. To be added as a contributor, a person has to be one of your followers already, and you must follow at least one of his or her boards.Group boards can quickly build an active, engaged community around your brand. The Food Network's "Let's Game Day" recipe group board, which complementary brands like Good Housekeeping magazine and Epicurious.com contribute to, has attracted some 71,000 followers so far. social media marketing proposal Just be mindful of users posting spammy or inappropriate images.Whenever you create a new pin or new board, share a direct link to it, using Pinterest's Facebook and Twitter share buttons. Also, alert your web visitors to your Pinterest boards by adding Pinterest's follow button to your company's main website.