Tech Biz Cheat Sheet: Sprint Offering Unlimited Data for iPhone, Samsung Making Android Phone for Verizon

Rdio plans to offer free song streaming for computer users in order to better compete with services like Pandora (NYSE:P) and Spotify.

Sony (NYSE:SNE) is in talks to buy out Ericsson (NASDAQ:ERIC) from the companies’ joint smartphone venture, worth an estimated $1.3 billion to $1.7 billion. The two formed the 50-50 partnership in 2011.

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Samsung’s upcoming “Nexus Prime” phone is expected to be exclusive to Verizon (NYSE:VZ) in the U.S. The phone, which will run on Android (NASDAQ:GOOG), is expected to be released in time for the holiday season.

Comtech (NASDAQ:CMTL) shares are trading higher after Reuters reported several government contractors had expressed interest in acquiring the communications equipment maker.

Sprint (NYSE:S) will offer the iPhone 4 and 4S at subsidized prices matching those of Verizon (NYSE:VZ) and AT&T (NYSE:T), but unlike its competitors, will sell unlimited data plans for the phones.

Hewlett-Packard (NYSE:HPQ) plans to offer a rival technology to flash memory within the next 18 months, a rival to DRAM within 3 to 4 years, and ultimately a rival to SRAM.

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Oracle (NASDAQ:ORCL) plans to enable customers to access the company’s applications, and those that clients write themselves, via the Internet.