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If any one person can be credited with the invention of the Amazon Kindle it's Gregg Zehr, head of the Amazon Lab126 product development team. So although the creation of the first generation Kindle device was a collaborative effort, Zehr can claim credit for being the father of eBook readers.

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  • What Is a Cellphone Made Of?

    Q: What Is a Cellphone Made Of?

    A: According to HowStuffWorks, a cellphone is made of several individual parts, including a circuit board, an antenna, an LCD display, a keyboard, a microphone, a speaker and a battery. Although cellphones are intricately designed devices, these are their most basic components. A cellphone combines these internal components in a durable plastic casing. Although the design of cellphones vary, the primary internal components remain the same.
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  • How Do I Save an Image on My IPad?

    Q: How Do I Save an Image on My IPad?

    A: Save an image or picture to your iPad by holding your finger down on it and choosing the Save to Camera Roll or the Save Image option from the pop-up menu. The Save to Camera Roll option pops up if you are in an email, and the Save Image option pops up if you are in the Safari browser.
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  • Can You Overcharge a Cell Phone Battery?

    Q: Can You Overcharge a Cell Phone Battery?

    A: The majority of cell phones today use lithium-ion batteries that cannot be overcharged according to Gizmodo. Additionally, smart chargers prevent batteries from overheating, which can reduce their life.
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  • How Do You Block Outgoing Numbers on a Land Line?

    Q: How Do You Block Outgoing Numbers on a Land Line?

    A: Outgoing calls are blocked using the star (*) 67 feature. Dialing *67 prior to inputting telephone numbers prevents the caller's number from being viewed on the receiving end.
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  • What Are Smartphone Widgets?

    Q: What Are Smartphone Widgets?

    A: Widgets are elements in the smartphone's home screen that offer a quick preview of an installed app's contents. Widgets can also act as a shortcut to an app or one of the smartphone's settings or features.
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  • What Does Airplane Mode Do?

    Q: What Does Airplane Mode Do?

    A: Airplane mode is a setting on mobile devices that disable wireless connections and services. The setting gets its name from rules requiring that all cellular services be disabled while on an airplane.
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  • What Are the Advantages of Having a Cell Phone?

    Q: What Are the Advantages of Having a Cell Phone?

    A: Advantages of having a cell phone include, but are not limited to, being able to be easily reached in an emergency and being able to make emergency calls when not near a home phone. Depending on the type of phone a person has, another benefit can be the convenience of having multiple apps and advanced functionality always in hand.
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  • How Do You Make Japanese Text Faces?

    Q: How Do You Make Japanese Text Faces?

    A: Using a computer or mobile device, a person can make Japanese text faces, or emoticons, with the symbol, letter and number keys on a standard Western keyboard. For example, (^_^') contains six symbol characters and means nervous or embarrassed.
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  • Where Can I Find Free Caller Tunes?

    Q: Where Can I Find Free Caller Tunes?

    A: You can find free caller tunes for your smartphone by downloading and installing the Zedge app. This app is free for Android, Apple and Windows phone users. You can then search Zedge for the ringtone you want to add to your smartphone.
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  • How Do You Access Vodafone Voicemail on Another Number?

    Q: How Do You Access Vodafone Voicemail on Another Number?

    A: Vodafone's voicemail service is accessible to users from alternate phones in the United Kingdom by dialing +44 7836 121121 and by users in Australia by dialing 0414 121 121. To access this voicemail, enter your security PIN.
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  • Is Snapchat Available for Laptops?

    Q: Is Snapchat Available for Laptops?

    A: Snapchat is a mobile-based application that is only available on Android and iOS devices. The application is available for free from the Google Play Store or the Apple App Store.
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  • How Do You Leave a Message Without the Phone Ringing?

    Q: How Do You Leave a Message Without the Phone Ringing?

    A: Leave a voice message without the phone ringing by entering the voice mail on your phone, choosing the leave a message option, entering the phone number and recording the message. The individual must have service in your home area and use the same cellular service.
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  • What Are the Positive and Negative Effects of Cell Phones?

    Q: What Are the Positive and Negative Effects of Cell Phones?

    A: The positive effects of cellphones include the essential role the device plays in emergencies, and the opportunity the device allows for convenient communication; the top negative effects of cellphone use include the distracting role cellphone use plays in education and automobile accidents. The cellphone is becoming a necessary component of modern civilization.
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  • What Are the Advantages and Disadvantages of Mobile Computing?

    Q: What Are the Advantages and Disadvantages of Mobile Computing?

    A: Mobile computing allows a user to take her office with her anywhere she goes, but it also gives thieves more of an opportunity to steal files and other sensitive information. This is accomplished by hacking a user's device or Internet access point. The latter is especially risky if the user is using a public Internet access point such as a wireless hot spot at a coffee shop.
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  • Can I Swap SIM Cards Between Mobile Phones?

    Q: Can I Swap SIM Cards Between Mobile Phones?

    A: Yes, in general, SIM cards can be exchanged among mobile phones from the same carrier. This subscriber identity module (SIM) is read by the device and contains data unique to the registered user, such as their identification number and data.
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  • How Do Cell Phone Towers Work?

    Q: How Do Cell Phone Towers Work?

    A: Cell phone towers are constructed using steel shaped in a pole or a lattice. These towers house radio transmitters and receivers that allow communications to transfer between phones and towers. The radios are connected to the tower antennae using sets of thick grounded cables.
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  • What Are the Reasons Behind Drunk Texts?

    Q: What Are the Reasons Behind Drunk Texts?

    A: Consumption of large amounts of alcohol lowers normal social inhibitions and encourages inebriated people to indulge in riskier behaviors than normal, one of which is sometimes sending "drunk texts" to others. The National Institutes of Health report that a blood-alcohol level of as little as 0.01 can be associated with this loss of inhibition.
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  • How Do You Unlock SIM Lock on a Samsung?

    Q: How Do You Unlock SIM Lock on a Samsung?

    A: The SIM lock on a Samsung mobile phone may be unlocked by providing its IMEI number, a unique code for a particular phone, to an online service provider. The service provider computes a numerical unlock code for your mobile device and sends it via email. Upon receipt, the number is entered on the device to unlock it.
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  • What Is the Symbol for a Smiley Face When Texting?

    Q: What Is the Symbol for a Smiley Face When Texting?

    A: The symbol for a smiley face when texting is a colon followed by a parenthesis sign that opens to the left. In practice, the symbol looks like this :)
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  • What Are the Pros and Cons of Texting While Driving?

    Q: What Are the Pros and Cons of Texting While Driving?

    A: The only pro to texting while driving is that a message can be sent immediately rather than waiting; however, there are numerous cons to texting while driving including the fact that it is illegal and that it often causes lethal accidents. Most people agree that the cons of death, harm to oneself and others and illegal proceedings are not worth the ability to send a text sooner.
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  • What Is a Personal Hot Spot?

    Q: What Is a Personal Hot Spot?

    A: A personal hotspot is a function of many smartphones and portable devices enabling them to connect the Internet to a local wireless network. This creates a small area of Wi-Fi coverage that allows other devices to connect to the Internet. The smartphone or other device essentially serves as a router.
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