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2. History of mobile phones - Wikipedia

   en.wikipedia.org/wiki/History_of_mobile_phones

   History of mobile phones. A man talks on his mobile phone while standing near a conventional telephone box, which stands empty. Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile ...

3. List of mobile network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_network...

   This is a list of mobile network operators (MNOs) in the United States. The Cellular Telecommunications & Internet Association (CTIA), lists approximately 30 facilities-based wireless service providers in the United States as members.

4. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the three major cellular carriers in the country, AT&T Mobility, T-Mobile US, and Verizon. In 2016, MVNOs across the nation such as Metro PCS, Boost Mobile, Cricket Wireless, and Tracfone brands served about 36 million subscribers.

5. McDonald's Over the Years: From the 1950s to Today - AOL

   www.aol.com/mcdonalds-over-years-1950s-today...

   Through The ‘Golden Arches’. Walk into your local McDonald’s, and head to the counter to order a meal. Well, you can, but it seems preferred that you place your order at a kiosk, pay by a ...

6. Smartphone - Wikipedia

   en.wikipedia.org/wiki/Smartphone

   A smartphone displaying the homepage of the English Wikipedia. A smartphone (often simply called a phone) is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web ...

7. List of wireless network technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wireless_network...

   2G (or 2-G) provides three primary benefits over their predecessors: phone conversations are digitally encrypted; 2G systems are significantly more efficient on the spectrum allowing for far greater mobile phone penetration levels; and 2G introduced data services for mobile, starting with SMS (Short Message Service) plain text-based messages. 2G technologies enable the various mobile phone ...