Survey: Most U.S. Cell Phone Owners Have Smartphones

"As of February, more U.S. adults own smartphones than simpler feature phones, according to new research from the Pew Internet and American Life Project."

Study: Cellphones Make Users Selfish

"A U.S. study found that cellphone use is linked to selfish behavior and may make users less socially minded, researchers said."

Top 1% of Mobile Users Consume Half of World’s Bandwidth, and Gap Is Growing

"The world’s congested mobile airwaves are being divided in a lopsided manner, with 1 percent of consumers generating half of all traffic. The top 10 percent of users, meanwhile, are consuming 90 percent of wireless bandwidth."

How Cellphones Shape the Lives of College Students

"The majority of college students today use smartphones -- although three-quarters don't foot their own bills. Not surprisingly, this has changed the classroom dynamic. Some 88% text during class; 40% use their phones for last-minute test prep; and a quarter take their devices out during each class."

Largest Study on Cell Phones and Cancer Finds No Link

"The biggest study to look for any connection has found no link. It followed more than 350,000 people for about a decade and says heavy cell phone users have the same cancer rates as people who don't use cell phones."

U.S. Wireless Subscriptions Top Population

"The number of wireless phone subscribers in the United States is greater than the nation's population, the wireless industry's trade association said Tuesday."

10 Ways Mobile Gadgets Have Changed our Lives

"With an estimated 5 billion mobile phone connections in the world, not to mention the emerging number of tablet computers and other on-the-go connectivity gadgets, mobile technology has altered the way we live."

Cellphone Carriers Keep Personal Data Up to 7 Years, Report Says

"A document obtained by the ACLU shows for the first time how the four largest cellphone companies in the U.S. treat data about their subscribers' calls, text messages, Web surfing and approximate locations."

How Americans Really Use Cell Phones

"In its report, the Pew Internet and American Life Project also explores the pros and cons of having a cell phone. Cell phones are great for quick information retrieval, Pew found. But not having fast mobile access to info can cause problems."

Cellphones Don't Increase Cancer Risk in Kids, Study Says

"Using cellphones doesn't increase children's cancer risk, according to the latest in a series of studies that find no relationship between the phones and brain tumors."

Smartphones: 28 Percent of Global Market This Year

"More than 420 million smartphones will be sold worldwide this year, and will account for 28 percent of all cellphone sales, IMS Research says."

No Link Seen Between Cell Phones, Brain Tumor

"People who have used a cell phone for more than a decade do not appear to be at increased risk of a type of non-cancerous brain tumor, a large study suggests."

Most Tumors Not Within Cell Phone Radiation Range

"Brain tumors among cell phone users are not clustered within range of most of the radiation emitted from the devices, a new report finds - suggesting that mobile phones do not cause cancer."

Cellphones 'Possibly Carcinogenic,' Report Suggests

"An international panel of experts says cellphones are possibly carcinogenic to humans after reviewing details from dozens of published studies."

New Tech Could Power Cell Phones Through Sound

"Kim and his colleagues at Sungkyunkwan University's Institute of Nanotechnology in Seoul say they have developed a new method of converting sound into electricity. They say a cell phone could be charged simply by talking into it. . ."

Cell Phone Radiation Alters Brain Activity, Study Shows

"Spending 50 minutes with a cell phone plastered to your ear is enough to change brain cell activity in the part of the brain closest to the antenna. But whether that causes any harm is not clear, scientists at the National Institutes of Health said on Tuesday, adding that the study will likely not settle recurring concerns of a link between cell phones and brain cancer."

85 Percent of US Adults Own Cellphone: Survey

"Mobile phones are the most popular gadget among adult Americans followed by computers, digital music players, game consoles and electronic book readers, according to a new survey."

Report: 90% of Americans own a Computerized Gadget

"According to a new report from the Pew Internet and American Life project, nearly 90% of Americans now own a cell phone, computer, MP3 player, game console, e-book reader or tablet computer."

Mobile Phones Help Lift Poor Out of Poverty: U.N. Study

"Mobile phones -- spreading faster than any other information technology -- can improve the livelihoods of the poorest people in developing countries, a United Nations report released on Thursday said."

Talking to Death: Texts, Phones Kill 16,000: Study

"Drivers distracted by talking or texting on cell phones killed an estimated 16,000 people from 2001 to 2007, U.S. researchers reported on Thursday."