How tech firms responded to Paris attacks: Facebook's Safety Check used in first man-made disaster, emergency response tools activated by Airbnb, Uber, others  —  How Tech Learned From Past Crises And Reacted To The Paris Attacks  —  What Facebook, Airbnb, and Uber did when terrorists attacked Paris.

SteamOS gaming performs significantly worse than Windows, Ars analysis shows  —  Cross-platform 3D games face 21- to 58-percent frame rate dip on same hardware.  —  Since Valve started publicly talking about its own Linux-powered “Steam Boxes” about three years ago now …

Apple's quest for style and appearance comes at the cost of usability, particularly on iOS, according to former employees  —  How Apple Is Giving Design A Bad Name  —  For years, Apple followed user-centered principles.  Then something went wrong.  —  Once upon a time …

Profile of REVOLVE, an online apparel startup whose sales is set to reach $400M this year  —  How Revolve Became the Biggest, Trendiest, Most Profitable E-commerce Startup You've Never Heard Of  —  If you attend enough Hamptons house parties, they tend to blur together.

Costly Wizard of Oz party seen as indicative of Marissa Mayer's convoluted Yahoo strategy  —  Marissa Mayer's Convoluted Yahoo Strategy: There's No Place Like Home  —  Last fall, in one of the stranger and more expensive efforts to boost company morale, Yahoo CEO Marissa Mayer decided …

Marc Andreessen Sold 73 Percent of his Facebook Stock in the Last Two Weeks  —  Facebook board member Marc Andreessen is padding his wallet ahead of the holiday shopping season.  —  Andreessen, an early Facebook investor and board member since 2008, has sold over 1.5 million shares …

Mozilla releases experimental Firefox OS 2.5 Developer Preview for Android devices  —  Firefox OS 2.5 Developer Preview, an experimental Android app  —  Today we have made Firefox OS 2.5 available worldwide.  We are also making an early, experimental build of the OS …

Vizio is selling your viewing data, collected via its smart TVs with tracking on by default, and possibly connected to your IP  —  Own a Vizio Smart TV?  It's Watching You  —  TV makers are constantly crowing about the tricks their smart TVs can do.  But one of the most popular brands …

Behind #OpISIS and GhostSec, a group of hactivists fighting ISIS online, gathering and passing intelligence, which may have helped to disrupt a terror plot  —  Anonymous vs. the Islamic State  —  For nearly a year, a war has been unfolding in strange corners of the Internet.

Privacy advocate warns FTC about ads that use inaudible sound to link phone, TV, tablet, and PC  —  Beware of ads that use inaudible sound to link your phone, TV, tablet, and PC  —  Privacy advocates warn feds about surreptitious cross-device tracking.  —  Privacy advocates …