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"A mobile phone (also known as a cellular phone, cell phone and a hand phone) is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator. The calls are to and from the public telephone network which includes other mobiles and fixed-line phones across the world. By contrast, a cordless telephone is used only within the short range of a single, private base station. In addition to telephony, modern mobile phones also support a wide variety of other services such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming and photography. Mobile phones that offer these more general computing capabilities are referred to as smartphones. The first hand-held mobile phone was demonstrated by Dr Martin Cooper of Motorola in 1973, using a handset weighing 2 1/2 lbs (about 1 kg).[1] In 1983, the DynaTAC 8000x was the first to be commercially available. In the twenty years from 1990 to 2010, worldwide mobile phone subscriptions grew from 12.4 million to over 4.6 billion, penetrating the developing economies and reaching the bottom of the economic pyramid"

Research shows that cell phones are a vital part of student identities with four out of five students having a cell phone. Now, nearly half of kids aged 8-12 years own cell phones. Most kids get their first cell phone between 10 and 11.

Percentage of US teenagers who have cell phones.

"As cell phones become more ubiquitous, it's becoming increasingly easy to use them for positive action. We've been talking about that quite a bit lately here on Planet Green, and one of the organizations whose name keeps popping up is Mobile Active. They're a great group, and deserve a highlight. Mobile Active, as they succinctly state, is "a global network of people using mobile technology for social impact." The group recognizes that there are billions of phones across the world being used by people in even the most unlikely of places. More are entering the consumer stream on a daily basis. Therefore, a cell phone is the perfect tool with which to engage people for activism. The group works to help organizations understand how they can use mobile phones to get people involved in social change or improve their organization, reduce the costs of getting mobile phones into the hands of people who need them, speed up the adoption of mobile phones as a tool among non-profits, and facilitate the implementation of mobile phone projects and campaigns. Mobile Active takes part in issues ranging from health to environment to disaster relief. You can search through all the many projects they're involved in with their mDirectory. As you look through, there's no doubt you'll be inspired and think about your cell phone in a whole new way - as a tool for changing the world. Check out the Good Call feature here on Planet Green for great information about cell phones and activism. More on Changing the World with Cell Phones How Cell Phones Are Changing the Face of Green Activism Good Call! Using Your Mobile Phone for Green Activism We Have Green Phone Apps Galore...But Are They Doing Any Good?"

This is a great column that involves mobile and ubiquitous computing. This column is about mobile devices helping to save the earth.

"The second steroid involves instant messaging and file sharing. Being able to share files from peer to peer is considered ubiquitous because the files can be everywhere and mobile because the files can be moved. Instant messaging is a huge breakthrough in the technological world. People can send instant messaging via cell phone, computer , PDA. This steroid revolutionized communication."

NTT Docomo, Inc.[1] (株式会社エヌ・ティ・ティ・ドコモ, Kabushiki Gaisha Enu Ti Ti Dokomo?, TYO: 9437, NYSE: DCM, LSE: NDCM) is the predominant mobile phone operator in Japan. The name is officially an abbreviation of the phrase, "do communications over the mobile network", and is also from a compound word dokomo, meaning "everywhere" in Japanese. Docomo provides phone, video phone (FOMA and Some PHS), i-mode (internet), and mail (i-mode mail, Short Mail, and SMS) services. The company has its headquarters in the Sanno Park Tower, Nagatachō, Chiyoda, Tokyo.[2] Docomo was spun off from Nippon Telegraph and Telephone (NTT) in August 1991 to take over the mobile cellular operations. It provides 2G (mova) PDC cellular services on the 800 MHz band, and 3G FOMA W-CDMA services on the 2 GHz (UMTS2100) and 800 MHz(UMTS800(Band VI)) and 1800 MHz(UMTS1800(Band IX)) bands. Its businesses also included PHS (Paldio), paging, and satellite. Docomo ceased offering a PHS service on January 7, 2008. Contents [hide]

NTT Docomo, Inc. is the predominant mobile phone operator in Japan. The name is officially an abbreviation of the phrase, "do communications over the mobile network", and is also from a compound word dokomo, meaning "everywhere" in Japanese. Docomo provides phone, video phone (FOMA and Some PHS), i-mode (internet), and mail (i-mode mail, Short Mail, and SMS) services. The company has its headquarters in the Sanno Park Tower, Nagatachō, Chiyoda, Tokyo.

Cell phones have the capability to become the "Swiss army knife" for student research and organization. First, we explore using cell phones as data collection tools: audio recorders, digital cameras, and digital camcorders. Additionally, we consider how classroom projects can be developed for cell phones: creating ring tones, text messaging, mobile WebPages, and mobile surveys. Finally, we contemplate the future features of cell phones and how those features play a role in learning.

The VoIP is a Voice over Internet Protocol system of technology where residents can get unlimited low cost phone calls to almost anywhere. this system will allow customer to get better quality phone calls and a lower cost then with a wired phone line company.

Incredible story of how cell phones will be used to diagnose disease - a PERFECT movie!

Wow!!! Using cell phone technology, high powered medical diagnosis and lab work can be provided remotely through cameras. This is what letting students work with cell phones can do as this is Daniel Fletcher and his undergraduates at the University of California worked to create a mobile diagnosis tool from cell phones. THIS is innovation. Harness the untapped power of student creativity and innovation and use it as a learning process. DO IT NOW!!

How you can use SMS from your cell phone. Additionally, those who do not have cell phones can use the cell phone simulator to practice these terms: define, etc.

I find it funny that radio stations are concerned because kids are using their cell phones as their alarm clocks in the morning. They could use cell phones as calculators, dictionaries, and translators -- oops, I forgot, we don't allow them in schools.

Online content is being accessed on a weekly basis from their cell phone.

Skype is VOIP which stands for voice over internet protocall, you can communicate much easier.

Skype is a software application that allows users to make voice calls over the Internet.

Skype (pronounced /skaɪp/) is a software application that allows users to make voice calls over the Internet. Calls to other users within the Skype service are free, while calls to both traditional landline telephones and mobile phones can be made for a fee using a debit-based user account system. Skype has also become popular for its additional features which include instant messaging, file transfer, and video conferencing. The network is operated by a company called Skype Limited, headquartered in Luxembourg and partly owned by eBay.

This is from a website that talks about the effects of disposing mobile phones in the environment. It has a lot of detail on the negative effects of mobile phones

Mobile barcodes are a cool way that cell phones are now being used - integrating pictures with SMS - it is called MMS.

An article that may give some ideas of using a mobile device in education.

education researchers at The University of Nottingham believe it is time that phone bans were reassessed - because mobile phones can be a powerful learning aid, they say.

This article discusses the overturn on a ruling last year that made it illegal for consumers to lock their cellphones. Consumers may now take their phone to other companies rather than just their phone numbers. 

Wireless technology has evolved. At first, the goal was to expedite the communications between humans. Now, however, the new wave  of wireless technology focuses on machine-to-machine(M2M) interactions. "The M2M phenomenon is part of the larger drive to create an "Internet of Things" - a global network that not only links computers, tablets and phones but that connects everything from bikes to washing machines to thermostats. Machina Research, a British firm, believes there will be 12.5 billion "smart" connected devices, excluding  phones, PCs and tablets, in the world in 2020, up from 1.3 billion today."

Cell phones will be able to see through walls according to new research. Perhaps the pundits would do well to watch a few old episodes of Star Trek since the tricorder seems to be getting closer to reality than ever. Such things have all kinds of privacy issues at the helm deserving discussion now before we see our way to a future of things that cause big brother to be everywhere. 

A ;new proposed law in the UK wants Skype and social networking sites to be required to keep communications for 12 months. I am thinking this would also apply to Twitter. Understandably, privacy concerns swirl around this proposal. "Ministers say change is needed to help fight crime and terrorism, but critics warn it is an attack on privacy. Internet service providers (ISPs) are obliged to keep details of users' web access, email and internet phone calls for 12 months, under an EU directive from 2009. Although the content of the calls is not kept, the sender, recipient, time of communication and geographical location does have to be recorded. The proposed new law - which the Home Office says will be brought in "as soon as parliamentary time allows" - would extend those requirements to social networking sites and internet phone services such as Skype."