Ads targeted to a person's location are an advertiser's dream. The reality is more complicated.
Geolocation analytics could help companies to improve their apps--and make more money from them.
A new system identifies users by their mobile phones.
A pair of U.K. physicists are awarded the prize for demonstrating the material's unusual properties.
A new design could help thermoelectric materials find broader use.
New data on the frequency and location of head impacts could shed light on the causes of brain injury.
Industrial computer systems are typically far less secure than they should be, experts say.
Researchers at IBM now know how long a single atom can "remember" its state.
HP's printers could soon tidy up Web pages for printing, while also inserting ads.