Most startups spend plenty of time working on things like their product plans, requirements docs, market studies and the like. They are important aspects of running their companies and the kind of things that improve with collaboration MORE >>

I'm excited to see so much attention being paid to freemium businesses lately. These are companies that generate revenue by offering a free product with an upsell or premium version. Their economics blends elements of the free MORE >>

Micro-blogging service Twitter will celebrate its third birthday in March and may have a revenue model to support the company over the long-term. Last month Twitter CEO Evan Williams told Kevin Maney of Porfolio.com the company will kick off new revenue streams by March 2009 to avoid raising another round of venture capital funding. What is Twitter? MORE >>

Entrepreneurs and directors frequently ask me whether angel or VC financing would be best for their company. Fortunately, the answer is usually easy to determine based on the characteristics of the company and its current shareholders. The Corporate DNA of angel investors and venture capital investors is quite different. Best Funding Source. MORE >>

This idea sounds like a dream job if you're a techie and looking for access to spend other people's money. Manage getting celeb's to work with various startups … ensure their name goes with a well-funded startup; negotiate equity MORE >>