AllThingsD Week in Review: WhatsApp vs. Bullshit Metrics and Apple’s Tearjerker Ad

The Top 10 stories that powered AllThingsD this week, in one convenient post.

Tristan Walker’s Next Act: Building a Procter & Gamble for People of Color

The former Foursquare biz-dev boss has created Walker & Company Brands, whose first product is the Bevel shaving kit.

Twitter Tries to Get Your Attention

Coming to your phone: Updates about stuff Twitter thinks you should care about.

Foursquare’s Longtime Head of Product Leaves, Midway Through a Huge Product Rollout

Alex Rainert co-founded Dennis Crowley’s first company, and he was employee No. 10 at Foursquare. Now he’s leaving amid a reorg.

One to Watch: “Red State” App Life360 Helps Families Track Themselves

Constant location tracking is creepy, but with Life360, it’s your own family you’re stalking.

With 190,000 Smartwatches Sold, Pebble Boosts iPhone Support

Pebble has gone from a tiny outfit trying to deliver promised smartwatches to its Kickstarter backers to a growing 40-person company looking to cement its role as a serious player in wearable technology.

Foursquare Opens Up Its Self-Serve Ad Platform

An important step — if Foursquare is going to be a standalone company with a growing user base.

News Byte

Foursquare Rolls Out New Recommendation Service to Some iPhone Users

Foursquare, which is betting big on a new automatic recommendation service, said the feature will now be available to some iPhone users. Foursquare is rolling out a new version of its iOS software today, but said only a “few thousand” iPhone users will be able to use the new feature immediately; it followed a similar phase-in for Android users beginning in August.

TripAdvisor Becomes Latest Digital Platform to Host Special Deals for American Express Customers

The deal follows in the footsteps of similar partnerships with Twitter and Foursquare.