Voxer Walkie-Talkie is an excellent communications app with all the tools you need to get in touch quickly.
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Nostalgic for that Nextel push-to-talk capability? Sprint brings the feature back through a free app that works with select Android phones, including the Samsung Galaxy S4 and LG G2.
With a standard chat layout, you can send voice messages, photos, and texts.
Recycled cell phones get a fashionable new lease on life as they're embedded into the soles of high heels, Wellington boots, running shoes, and men's dress shoes.
AT&T launches a trial program to test out its enhanced push-to-talk feature for mobile field service workers.
Boston Dynamics' supersized AlphaDog gets let off the leash in a forest. This is one monster robot--check out the DARPA video for yourself.
USC researchers have upgraded Boston Dynamics' LittleDog robot with better walking chops. Think of it as Aibo's hunter-killer cousin.
Push-to-talk turns your phone into a walkie-talkie, and so we hid behind a potted plant and tried it out on the ruggedised Mobile Tornado BB3G phone
Out of phones and into two-way radios?
They're perfect for short-range communication (and fun).