Martyn Williams

Senior U.S. Correspondent

Martyn Williams covers Silicon Valley and general technology breaking news for the IDG News Service, and is based in San Francisco.

Kimpton Hotels is investigating a possible payment card breach

Facebook brings high-speed laser communications into focus

Facebook brings high-speed laser communications into focus

Facebook says it has developed a laser detector that could open airwaves to new high-speed data communications systems that don't require dedicated spectrum or licenses.

As coup attempt unfolds, Turkish president appears via Facetime on live TV

As coup attempt unfolds, Turkish president appears via Facetime on live TV

Turkish President Recep Tayyip Erdogan placed what appeared to be a Facetime call into a national news broadcast early on Saturday while the world tried to figure out if a military coup against him had succeeded.

Samsung may place a $450m bet on electric cars and batteries

Samsung may place a $450m bet on electric cars and batteries

Samsung Electronics is on the verge of making a substantial investment in BYD, a Chinese manufacturer of electric cars and batteries.

Silicon Valley execs see Trump as a 'disaster for innovation'

Silicon Valley execs see Trump as a 'disaster for innovation'

A group of Silicon Valley entrepreneurs, company founders, engineers and investors have signed an open letter regarding Donald Trump. The gist: they don't like him and think he would be a disaster for the business of innovation.

N.Y. driver crashes car into tree while playing Pokémon Go

N.Y. driver crashes car into tree while playing Pokémon Go

A driver in New York state ran his car off the road and into a tree last night as a result of playing Pokémon Go.

Pokémon Go makes people do crazy things

Pokémon Go makes people do crazy things

Pokémon Go, the new augmented reality smartphone game, has players showing up in some strange places looking for virtual cartoon creatures. Now the U.S. National Safety Council is warning people not to play while driving.

U.S. probes Tesla on autopilot system failures after fatal crash

U.S. probes Tesla on autopilot system failures after fatal crash

The U.S. government has asked Tesla Motors for detailed information about key safety systems on its cars after a May 7 crash in which a driver was killed while traveling in autonomous mode.

Amazon's Prime Day off to another rocky start

Amazon's Prime Day off to another rocky start

It could be a #primedayfail for Amazon. The online retailer has reported some customers are having problems adding items to their shopping carts and missing out on deals that have been heavily advertised on TV.

FBI faults Clinton's personal email system, but doesn't recommend prosecution

FBI faults Clinton's personal email system, but doesn't recommend prosecution

Hillary Clinton was "extremely careless" in her use of a private email server while she was secretary of state, but the FBI doesn't recommend bringing charges against her for mishandling classified information.

DARPA is looking to make huge strides in machine learning

DARPA is looking to make huge strides in machine learning

The Defense Department's research and development arm wants to put computers to work in the complex task of creating models for machine learning.

Boston Dynamics' four-legged robot climbs stairs, slips on a banana skin

Boston Dynamics' four-legged robot climbs stairs, slips on a banana skin

Boston Dynamics, the Google-owned robot maker that's apparently up for sale, has a new four-legged robot small enough to walk around a house, agile enough to load your dishwasher, and not quite clever enough to avoid banana skins on...

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