> ‘People are willing to pay’ say 37 signals to the cowering mass of young developers bombarded with an implicit open source manifesto written across the social

> ‘People are willing to pay’ say 37 signals to the cowering mass of young developers bombarded with an implicit open source manifesto written across the social web. It's not "open source" vs. "selling software." 37signals heads one of the most popular open source projects of all time. They also sell their software. It's "free services" vs. "selling software." Of course someone who is set on never charging for a product as a business model will not find 37signals' advice helpful.