9 Businesses You Can Start In Your Pajamas in 2010

Online Content Aggregation –– Michael Sitarzewski, Callisto.fm
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Online Content Aggregation –– Michael Sitarzewski, Callisto.fm

With so much content consumed on the Web these days, the door has opened for entrepreneurs who have found ways to not only catalogue some it, but to make it easier for users to consume the information. While plenty of sites existed for streaming TV shows, Michael Sitarzewski realized that there wasn't anything comparable for listening to podcasts. So in 2008, at a podcaster conference, he pitched his idea for a site that would stream podcasts and organize all the content by channels, giving visitors a place to consume podcasts all in one place. Immediately, he had interest from developers, and within months, Callisto.fm was launched. The site now has 4,500 shows listed and operates primarily through ad revenue. Sitarzewski, who works from home and in places all over his hometown of Boulder, also runs Hypersites, another company he founded in 2001 that serves as a website development application for designers.

--Tamara Schweitzer