The Samsung Galaxy Mega (from left), Samsung Galaxy S4 and Apple iPhone 5 are shown. Apple is expected to announce larger models of its smartphone on Tuesday. Richard Drew/AP hide caption

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When protests over the shooting of Michael Brown turned violent in Ferguson, Mo., livestreaming videos showed Americans what they couldn't see on TV. Screen Grab From KARG Argus Radio Video hide caption

itoggle caption Screen Grab From KARG Argus Radio Video

Steve Ballmer, the new owner of the Los Angeles Clippers, is stepping down from Microsoft's board. Ballmer, who recently resigned as Microsoft's CEO, is the largest individual shareholder of the company. Justin Sullivan/Getty Images hide caption

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Many institutions have their archives stored on CDs — but the discs aren't as stable as once thought. There is no average life span for a CD, says preservationist Michele Youket, "because there is no average disc." Sarah Tilotta/NPR hide caption

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Brooke Hammerling, the founder of Brew Media Relations, says she created her own firm because she got sick of a mix of dismissive tech guys and sexism inside some companies. Christof Stache/dpa/Landov hide caption

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By hijacking a user's computer, "bad" bots make it look as if she visits a website often, thus making the site more valuable to advertisers. iStockphoto hide caption

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