Pinterest, the company whose trademark social pinboard allows users to display images they find appealing, has decided it's time to work toward profitability. marketing social media "A lot of last year was keeping up with growth [and] the big change with touch-screen devices," founder Ben Silbermann said. "[This year], we're building foundations to monetize." What are it's plans? Pinterest is getting ready to introduce paid advertising. And it is studying how Pinterest users convert into online shoppers, so that it can eventually take a percentage of brands' sales revenue.They bring together the powerful but increasingly fragmented world of television media, and the fast-growing but still undeveloped digital realm. For TV-centric advertisers and content producers, second screen provides a channel through which to test out digital strategies while still remaining tied to familiar territory.Pinterest has enjoyed explosive growth over the past year, with total user visits to its website increasing to 48 million last December, up from 9 million the previous December. In the same period, Pinterest's staff grew from 20 to 100. Pinterest has raised $140 million in venture capital so far, and might seek more -- at a $2.5 billion valuation.You no longer have to grapple with sizing issues for social networks such as Google+, Twitter, and Facebook. Now you can create Facebook Timeline images, LinkedIn cover photos, and more without worrying whether your pictures will fit the dimensions required by each platform.Bookmark (or print out) this infographic from LunaMetrics -- your company’s graphic designer will thank you.Snapchat, the photo-sharing app that allows users to send self-destructing messages, benefits of social media marketing has raised $13.5 in venture capital -- a funding round that reportedly values the company at $60 to $70 million, despite Snapchat's lack of revenue. Would-be founders should take notice: When it comes to getting funding in the current startup climate, a great concept and a large, devoted user base apparently matter more than a path to profitability.