The absence of a mechanical keyboard may put off thumb-trained corporate BlackBerry users.

由于没有机械键盘，iPhone可能会流失惯用黑莓手机的用户。

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The ubiquitous Blackberry and other hand-held devices helped familiarize older users with thumb-typing on tiny keyboards.

无处不在的黑莓（BlackBerry）手机和其它便携式装置帮助年纪较大的用户熟练地在微键盘上用拇指输入信息。

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Again, this pair seems to exist for purely aesthetic purposes -- if you're the button-pushing type, this is arguably the most infuriating device money can buy -- but it may well help cure you of that BlackBerry thumb that had you on worker's comp for much of the early '00s.

ENGADGET: BlackBtrry Water Game hands-on Hands-on

We'll be in deep rural America for long stretches of the ride, which may, at times, limit my dispatches to thumb-driven blackberry notes.

WSJ: A Ride Across Iowa

The BlackBerry will emphasize typing with one thumb, with gestures and the ability to delete with a thumb swipe anywhere.

NPR: RIM Changes Name To BlackBerry, Unveils 2 Phones