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In the past, some United States schools installed mobile phone jammers to prevent cell phones from working on campuses. [66] However, the sale and use of jammers is illegal in the US under the Federal Communications Act of 1934, because jammers cut off 9-1-1 calls and disrupt air navigation if they are used near airports.
Excessive use of technological devices may affect developmental, social, mental, and physical well-being and result in symptoms similar to behavioral addictions, but the Diagnostic and Statistical Manual of Mental Disorders has not formally codified problematic smartphone use as a diagnosis. [6] [7] Widely-accepted recommendations for the ...
A question and answer system (or Q&A system) is an online software system that attempts to answer questions asked by users.Q&A software is frequently integrated by large and specialist corporations and tends to be implemented as a community that allows users in similar fields to discuss questions and provide answers to common and specialist questions.
It can even help you live a longer life; one study found that book readers had a 20% lower risk of dying over the next 12 years compared to non-book readers thanks to the cognitive engagement ...
The HPA also says that due to the mobile phone's adaptive power ability, a DECT cordless phone's radiation could actually exceed the radiation of a mobile phone. The HPA explains that while the DECT cordless phone's radiation has an average output power of 10 mW, it is actually in the form of 100 bursts per second of 250 mW, a strength comparable to some mobile phones.
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From 2005 to late 2009, the Google search engine definitions feature, in the top-right corner of the site, was linked to Answers.com. [5] On July 2, 2006, Answers.com released a trivia game known as blufr. [citation needed] In November 2006, Answers.com acquired the question and answer site FAQ Farm. [6] Following the acquisition, the product ...
In 2013, Samsung had 31.3% market share, a slight increase from 30.3% in 2012, while Apple was at 15.3%, a decrease from 18.7% in 2012. Huawei , LG and Lenovo were at about 5% each, significantly better than 2012 figures, while others had about 40%, the same as the previous years figure.