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Pinterest co-founder Ben Silbermann explains why the social network updated its profile pages, and future plans for more extensive changes. Earlier this week, we heard a vague promise from Pinterest's founder Ben Silbermann : The fast-growing social bulletin-board website would be adding user profiles by week's end. Voila! On Friday morning Pinterest introduced profile pages that showcase a user's photo more prominently, as well as the other individuals that user most often re-pins

There are 3 good reasons not to get this wrong--and an easy way to make it better. If you’re just using Twitter to lurk, you can stop reading now: This advice does not pertain to you. But if you intend to use Twitter for any sort of marketing, whether for yourself or your company, then I beg you: Please take a few minutes now to fully complete your Twitter profile

Cofounder and CEO Ben Silbermann also talks APIs and affiliate links at SXSW. Pinterest, the addictive image collection and sharing site, will soon release a new profile page, possibly as soon as this week, and expand the types of items people can collect to include video.

Your profile photo is an important part of your online image, so if you still have an egg as your Twitter avatar or a blue-and-white silhouette for your Facebook page, it's time to step things up. (Hint: This photo is a "don't.") If you still have an egg as your Twitter avatar, it's time to step things up.

Want to create an expansive and powerful network? We asked LinkedIn's power users for their best tips.

What do the 135 million people and more than seven million companies on LinkedIn know that you don't? All too often I receive resistance when I suggest to a client that she utilize LinkedIn to build vendor, partner, and prospect relationships. But what might first feel like an intimidating pilgrimage into foreign land can result in a journey of growth, connection, and prosperity.

Somewhere along the line you started treating it more like a resume. It's time to fix that. Overall, LinkedIn is the best social media platform for entrepreneurs, business owners, and professionals.

From Paris to New York, Tokyo to San Francisco, developers from around the world turned out for Foursquare's global hackathon this past weekend. The aim? Like any good hackathon, to seed innovations in a round-the-clock binge of hacking and 5-Hour Energy

The 2010 Nobel Prize in Physics raised the profile of graphene --a super strong one-atom thick sheet of carbon atoms arranged in a hexagonal pattern with countless potential commercial applications.

Here's a frustrating dilemma: having 500, a thousand plus Facebook friends and the prospect of zero fans on your new Facebook business page. If only you could migrate those folks right over and have an instant fan base