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  • Ten ways your smartphone knows where you are

    One of the most important capabilities that smartphones now have is knowing where they are. More than desktops, laptops, personal navigation devices or even tablets, which are harder to take with you, a smartphone can combine its location with many other pieces of data to make new services available.

  • Wi-Fi, small cells could disrupt mobile

    The rise of mixed mobile networks of Wi-Fi, small cells and traditional base stations, a major theme of this week's Mobile World Congress in Barcelona, may change the competitive landscape of both service providers and equipment vendors.

  • Are we running out of wireless bandwidth?

    Wireless bandwidth is like land in Manhattan; it's extremely valuable, because they're not making more of it.

  • 4G wireless vs. 5G wireless - which is better?

    Using more spectrum and advanced antennas, vendors and operators plan to increase 4G mobile speeds. But the key to increasing speeds as researchers look at future networks, which will someday be dubbed 5G by marketers, is to shorten the distance between users and base stations, and allowing them to automatically be reconfigured.

  • Top tips for transferring files from one Mac to another

    If you have two Macs - for instance, a desktop and a laptop - you may often find yourself transferring files from one to the other as you prepare to head off to work or school. You may also need to send files to friends or colleagues, and, in some cases, file size could make this difficult. Here are nine ways you can transfer files from one Mac to another.

  • Four technologies for faster broadband in 2011

    A number of different technologies are being developed or improved to offer higher speeds for fixed and mobile broadband networks, as operators are preparing to compete with each other and carry video traffic in 3D and at higher resolutions, which is expected to happen in the coming year.

  • Burning Man's open source mobile phone system could save the world

    Today I bring you a story that has it all: a solar-powered, low-cost, open source cellular network that's revolutionising coverage in underprivileged and off-grid spots. It uses VoIP yet works with existing mobile phones. It has pedigreed founders. Best of all, it is part of the sex, drugs and art collectively known as Burning Man. Where do you want me to begin?

  • What to watch at Black Hat and Defcon

    Black Hat Security Conference and Defcon in Las Vegas have become the must-attend annual event for security experts, researchers and hackers. If you're attending, Black Hat 2010 and DefCon, here are the five big topics you can expect to hear about.

  • Six common wireless broadband router problems

    These days, having access to wireless broadband is an absolute necessity for home offices and small businesses. And after more than a decade of innovations, you would think that the standard wireless gateway/router would be a picture-perfect product by now. Alas, no.

  • WiMax in 2010: Too little, too late?

    By the end of 2010, users in more than 80 US cities may be able to ditch their cable modems, T1 setups and DSL lines - and the Wi-Fi routers that go with them - in favour of WiMax broadband wireless technology.





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