A mobile-security startup offers an app to stop you from downloading bad apps.Long gone are the days when the only computer viruses you had to worry about were those that would harm your desktop or laptop machine.
If You Have a Smartphone, Anyone Can Now Track Your Every Move
Navizon I.T.S. makes it easy to pinpoint Wi-Fi devices anywhere its listening nodes are installed.Location services company Navizon has a new system, called Navizon I.T.S., that could allow tracking of visitors in malls, museums, offices, factories, secured areas and just about any other indoor space. It could be used to examine patterns of foot traffic in retail spaces, assure that a museum is empty of visitors at closing time, or even to pinpoint the location of any individual registered with the system. But let's set all that aside for a minute while we freak out about the privacy implications.
African Social Networks Thrive in a Mobile Culture
New and fast-growing mobile social networks could challenge Facebook's growth on the continent.When young maize crops began failing in parts of Kenya earlier this month, the bad news—as well as information about where farmers could get seeds for other crops—spread on many Internet sites, including Facebook, which has 38 million users in Africa.
Carnegie Mellon researchers believe they can capture the essence of an area based on what Foursquare users do there.Defining the makeup of a particular neighborhood can be tricky. Locals may agree on the general area and character of, say, Manhattan's Upper West Side, but we all have different opinions about what really goes on there, or even what its precise boundaries are.
Stem Cells Help Night-Blind, Bald, Heartbroken Mice
Three dramatic results from tests of stem cell therapies could one day be repeated in humans.NatureNews reports today on three different studies that successfully used stem cell therapies to sprout new hair on bald mice, restore some vision to night-blind mice, and improve the heart function of mice with a cardiac injury. All three methods could eventually be adapted for use in humans.