Wifi

Some American cities tried this and ran up against a buzz saw of opposition from companies that sell Internet service.

High-tech home health care devices is a huge market right now. What are the latest gadgets and devices you should be aware of?

Amid the tablets and the smartphones at CES, Toyota is showing off a robot car, called the Lexus LS460. In New York's Chelsea neighborhood, they turned an old elevated rail line into a public park. Now that part of town is getting another amenity with no admission charge: Free Wi-Fi courtesy of Google.

A new service called FreedomPop hopes to go up against AT&T and Verizon, and a new kind of dissolve-able circuit that could change the field of medicine.

Lulu DeCarrone was tired of laptoppers turning her New Haven coffee shop into a silent crypt, so she cut them off. And business has never been better.

A controversial new experiment at South by Southwest puts Wi-Fi units in the hands of the homeless. Accused of condescension and exploitation, "Homeless Hotspots" creators hope the debate will encourage entrepreneurship and visibility.

Federal officials have nixed a plan by broadband company LightSquared to build a national wireless network. Politico's Eliza Krigman explains why and discusses what happens next.

How important is it to turn off gizmos on a plane?

Skype just announced an app for Apple devices that lets you log on to Wi-Fi networks and pay for only the minutes you use. This is helpful in...

As the Wall Street Journal puts it, "You might not expect to find many politicians willing to take a stand against something called the "Protecting...