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        Q: What slide out keypad and touch screen verizon phone is the BEST?
A: same the first is nokia 5800 expressing music one u can get that QWERTY keyboard whilst u required to type the sms   We ’ ll starting with the contents of the packet . Here ’ s what you ’ li 'm finding inside it :   Nokia 5800 XpressMusic + stylus  Hard carrying case  Wrist strap  Stand  Additional stylus  Stereo hands-free/headphones for a 3.5mm jack  microUSB cable  TV-out cable  Charger  8 GB microSD card  Software and presentation DVD  Brochure  Quick guiding  User Manual 

Q: I don't get how touch screen works?
A: Well , I assume that you 're asking for the technical details , as not realise a touch screen works by touching is exactly ... well ... silly .   Anyway , there exist 2 principal types of touching screen , surface acoustic wave , which is a bit pad above a ordinary screen which high frequency acoustic waves through the screen , pressing the screen halts one of those waves and therefore indicates the screen has been touched . These require calabrating so the software knows wherever you 've touched ( because they are n't part of the same screen ) , this situation is the screen utilized in the DS and DSL ( not convinced about the DSi ) .   The 2nd type is capacitive which form part of the same screen , what will happen is rather than it working through presure itjust works by  `` discharging '' himself , this kind of screen utilized , in new devices such as the LG Arena and iPod Touch/iPhone .   A good source for info maybe it is Wikipedia ( not actually verify it ) - & gt ; http : //en.wikipedia.org/wiki/Touchscreen   Other than that , look on Google for SAW ( Sound Acoustic Wave ) and Capactive screens . 

Q: Disadvantages of touch screen?
A: It puts your finger in front of your eye - good . Must clean the screen to see well - bad .