Since you need to have the D415 open to do anything, the clear key would be more convenient on the slide out keypad where you will use it to erase mistakes.

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"Our immediate objective over the next few months is to improve the Wii U system and make it a little more stable, a little bit more convenient to use from a system standpoint, " Miyamoto said.

CNN: 'Mario,' 'Zelda' creator says give the Wii U time

"This just makes it much more convenient, " said Asgedom, 39, who plans to use the bike system to get to work at a downtown hospital.

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