For Billy Bloom, advertising with StumbleUpon was a bit like stepping into the Coliseum in ancient Rome: If StumbleUpon users liked Zunafish.com — Bloom’s site for trading CDs, DVDs, video games and books — they could endorse it by clicking a “thumbs up” icon. A few thousand of those might make Zunafish.com a hit as […]

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IBM is taking new steps to make greener energy generation more common. The company has unveiled plans to create more efficient and less expensive solar cell systems. It will work with Japan-based Tokyo Ohka Kogyo to build what it calls the “next generation” of CIGS — or Copper-Indium-Gallium-Selenide — solar cell modules.

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There’s no free lunch or, evidently, free open source software. After numerous complaints, North Texas entrepreneur Yuri Mintskovsky has agreed to a $2.1 million settlement that will repay angry Internet consumers. They thought that they were spending just $1.99 or $2.99 for shipping and handling on free software but found credit-card charges of $39.95 or […]

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