Fortune's curated selection of newsworthy tech stories from the last 24 hours. Sign up to get the newsletter delivered to you every day.
* Amazon (AMZN) didn't just unveil one new Kindle, but four -- nearly one for every user scenario -- including the widely-anticipated Kindle Fire ($199), sporting a color screen and multimedia functionality; two flavors of the Kindle Touch ($99 for WiFi-only, $149 for 3G), with a black-and-white, e-ink touchscreen; and the Kindle ($79), a button-operated successor to today's model.
* A two-minute video preview of Android Ice Cream Sandwich, the latest operating system update due within the next two months. (Engadget)
* Wired writer Steven Levy spoke with Google VP of products Bradley Horowitz for an inside look at Google+. (Wired)
* Marc Andreessen believes the clock is ticking on Oracle (ORCL) and other "old-line" software and infrastructure companies. Case in point: all of the companies in Andreessen Horowitz's portfolio use a cloud-based solution instead. (Business Insider)
* Enterprise-friendly cloud startup Box.net raised $50 million from investors like Salesforce.com (CRM).
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The problems that Google faced while establishing its foothold in China would shake the very foundations of the company and its "Don't be evil" operating ethos. A look at Google's past five years in China -- and where it went wrong along the way.By Steven Levy, guest contributor
FORTUNE -- Plans for Google.cn were well under way by May 7, 2005, when an unexpected e-mail arrived in the in-box of Eric Schmidt. It was from a MOREApr 15, 2011 5:00 AM ET
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