Summary:

Our look at some of the big stories in mobile today: HP (NYSE: HPQ) finally gives the release date for its TouchPad tablet; Apple (NSDQ: AAP…

HP TouchPad

Our look at some of the big stories in mobile today: HP (NYSE: HPQ) finally gives the release date for its TouchPad tablet; Apple (NSDQ: AAPL) goes after rival app stores; YouTube (NSDQ: GOOG) says it’s working on managing its mobile traffic; Sony (NYSE: SNE) Ericsson (NSDQ: ERIC) is launching two new devices; Apple semiconductor dominance.

HP: Finally, an official release date for the TouchPad tablet from HP. It will be going on sale in the U.S., Canada and Europe from July 1. The prices will be $499 for the 16 gigabyte version and the $599 for the 32GB version.

Apple: More on Apple trying to safeguard some of what considers its trademarked territory: it is going after app stores that call themselves app stores. Latest is a letter to the Wireless Industry Partnership.

YouTube Mobile: The video site is in talks with operators to come up with ways of reducing the impact on their mobile networks (via Bloomberg).

Sony Ericsson: The Android handset maker has now launched the two new smartphones — the Mix Walkman music playing device, and another, the txt pro, that focuses on texting and social networking. These speak to a growing trend of making smartphones that still try to do everything but emphasize functions that cater to specific interests.

Apple: Figures from iSuppli show that Apple is now the world’s biggest buyer of semiconductors, overtaking HP and Samsung. The company bought $17.5 billion in semiconductors in 2010.

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