Fortune has an interesting profile of Amazon.com CEO and founder Jeff Bezos, who has persisted, and seen his company grow, through the ups and downs of the dot-com economy. Presently he's worth around $8 billion, which isn't too bad. In addition to recounting his rise to prominence, the piece also details his plans to transform Amazon into the Web's biggest retailer of digital media. Hence Amazon's e-book reader, the Kindle, and the company's push into the MP3 space, where it's trying to unseat Apple as emperor. Apparently this is a pretty heated competition: According to the Fortune piece, he refuses to use the word "Apple."

A mere three years after Burt Rutan´s SpaceShipOne skimmed the edge of space to capture the $10-million Ansari X Prize, more than half a dozen companies are furiously building and testing spacecraft designed to take paying passengers on suborbital journeys and beyond.