Each week, OPEN Forum's editors round up the most compelling entrepreneurial news and advice from our contributors and others. Here are this week’s highlights:

Justin Bieber the business teacher

No matter what you think of the pop singer -- his hair is too long, his vocals are weak -- Bieber’s meteoric ascent is a case study in effective marketing. With that in mind, Guy Kawasaki offers us a comprehensive look at what all businesspeople can learn from Justin Bieber.

How to successfully squash infighting

Keeping a pair of boxing gloves in the office is one option. But there’s a more thoughtful approach that can help extinguish verbal fire between employees before it engulfs the office. Katie Morell offers seven steps on how to handle problem employees.

The most popular fitness program around

If you don’t know someone who follows P90X, the wildly-popular fitness program designed to “confuse muscles,” chances are you will very, very soon. Darren Dahl takes a look at the exceptional marketing minds behind the P90X business.

How to keep your money out of Uncle Sam’s hands

From tallying up your business’ health care costs to documenting newly-acquired assets, there are several oft-overlooked approaches for small businesses owners to increase tax savings. Katie Morell outlines five of the best tips for business owners to save money on taxes.

The case against hiring for experience

Sure, experience matters to a degree. But what are more important traits when deciding how to hire good employees? Mike Michalowicz points to work ethic, energy level, and three others.

What happens when your service is more popular overseas?

That’s the question the founders of the dating site Ignighter had to ask themselves over the last year as their fledgling U.S. startup attracted more and more users from across the globe. Inc. magazine’s Eric Markowitz recently talked with co-founder Adam Sachs about the entrepreneur’s decision to pick up and move to where the site’s largest customer base is: India.