A contact synchronization bug, combined with Facebook’s latest changes to users’ email visibility settings , led some mobile phones to update with users’ Facebook.com addresses rather than their primary email account, Facebook Director of Engineering Andrew Bosworth told The Verge . The social network is working on a fix following a public debacle over a change to users’ settings that hid all non-Facebook.com email addresses from Timeline.

We’re on the cusp of a global conflict that will see the three most powerful consumer Internet companies fighting to win control of interpersonal communication. The war will pit Facebook’s unified Chat / Messages / Email vs Apple’s cross-device iMessage system vs. Google’s Gmail / GChat / Hangouts.

Commerce Sciences , an Israeli eCommerce startup currently shrouded in the infamous “stealth mode,” wants to help personalize your online shopping experience. To do so, the Palo Alto and Israeli-based company is announcing today that it has raised $1.8 million in seed funding from a number of familiar names.

Smart move, this: The Weather Channel has acquired pioneering online weather service Weather Underground for an undisclosed sum, the companies announced today . The deal is expected to close in several weeks. The Atlanta, Georgia-based The Weather Channel has long had a strong brand name, wide reach, and big revenues, but I’ve personally found its web and mobile presence (centered around Weather.com and its related apps) to be pretty wanting

Click ‘Messages’ on Facebook and then “Other” in the right sidebar and you might find emails missing from your Gmail or other personal and work accounts.

TripAdvisor  displaced Zygna’s  Bubble Safari  as No. 1 on our list of top growing Facebook apps by monthly active users this week. Titles on our list gained the most MAU of any apps on the platform, growing from between 400,000 and 6.2 million MAU, based on our  AppData  tracking service

If you’re the average Joe, you don’t let your Retina MacBook out of your sight. But what if you’re an IT guy with a fleet of these things to secure on a client site

Every time I talk to Mixpanel co-founder Suhail Doshi, he likes to update me on how many actions his analytics startup is tracking for its customers every month. (In case you’re wondering: The latest number is more than 6 billion.) But Mixpanel isn’t just tracking actions anymore — starting today, it’s tying its data to individual users, too .

Stop pretending to be a rap star. That’s the note on the front page of California Headphones’ website and the driving philosophy behind the company’s Laredo and Silverado headphones.

TripAdvisor’s revamped restaurant ratings app Local Picks helps users share where they’ve eaten and find new spots to try. The Facebook app also feeds TripAdvisor valuable data for its social travel site