Payday lending -- an area of finance with one of the worst reputations -- may get a facelift with new start up LendUp, which takes its inspiration from microlending. Today, MIT is starting an outfit dedicated to delivering us from our wireless frustrations.

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.

Wireless companies may soon be able to buy more airwaves under a spectrum auction that will help pay for the payroll tax cut extension and other jobless benefits. What's the idea behind the auction?

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.