“Hatching Twitter” excerpts depict a detached Jack Dorsey who later attempted to recast Twitter's history  —  All Is Fair in Love and Twitter  —  Right in the center of South Park, a large, grassy oval near San Francisco's financial district, there is a rinky-dink playground with slides …

Windows Phone 8.1: 7-10 inch screens, no hardware back button, 77% API unity with Windows RT  —  Windows Phone 8.1 Rumors Emerge  —  Yes, we'll get a third Windows Phone 8 update first.  Still....  While Windows Phone 8 GDR3 is right around the corner—and, yes, I'll be writing …

Twitter Gets Its Strongest TV Tie-Up So Far, With an Ambitious Comcast Deal  —  Twitter has been trying to buddy up with the TV industry for the past few years.  Now it has its biggest payoff yet: A far-reaching deal with Comcast that aims to turn the social network into a TV-watching service.

Facebook prepares major updates to iPhone apps as top engineer returns to Apple  —  Screenshots of upcoming Facebook Graph Search for iPhone update  —  Facebook is preparing a pair of major updates for its most popular iPhone applications, according to a source familiar with the apps.

New details on Google's anti-aging startup  —  Why Google decided to fund a bold new biotech platform.  —  FORTUNE — Google (GOOG) last month made waves in the biotech world by announcing the formation of Calico, a “new company that will focus on health and well-being, in particular the challenge of aging and associated diseases.”

iPad Mini and iPad 4 top TouchMarks' touchscreen test ranking for most responsive tablets  —  TouchMarks II: Touchscreen Latencies in Flagship Tablets  —  In our last TouchMarks report, we looked at the touchscreen latencies of the flagship smartphones from different manufacturers.

Gartner: PC shipments slip 8.6% to 80.3m units in Q3 2013, the lowest back-to-school quarter since 2008  —  The PC market continues to fall spectacularly, seeing the sixth consecutive quarter of declining worldwide shipments as well as the lowest back-to-school quarter since 2008.

Here's What a Pinterest Ad Looks Like  —  Pinterest today started its preannounced test of “promoted pins,” a.k.a. the first-ever revenue-generating product for the company valued at $2.5 billion.  —  Well, not so fast on the revenue front.  Pinterest CEO Ben Silbermann said in September …

Google brings Mobile Backend Starter, its one-click deployable cloud backend for Android, to iOS  —  Google today launched Mobile Backend Starter for iOS, simplifying server-side development for app developers on Apple's mobile platform.  Mobile Backend Starter is a Google App Engine application …

Foursquare gives out unsolicited tips on iPhone  —  A new feature lets some members go about their lives, phone in pocket, and get alerts when the service finds something interesting for them to eat, see, or do nearby.  —  Foursquare is releasing a new version of its application for iPhone …

HP: We've Been a Little Late to the Game, Admits Whitman; MSFT, INTC ‘Outright Competitors’  —  Hewlett-Packard (HPQ) CEO Meg Whitman took to the podium this morning to address analysts at the annual financial meeting.  —  HP shares surged 6%, or $1.32, at $22.05, after Whitman remarked that revenue would …

Flickr iOS 7 app now automatically uploads photos to your 1TB of free storage  —  Yahoo is updating its iOS 7 Flickr application today to let iPhone users automatically upload photos to the service.  The latest version will save photos from an iPhone camera roll straight to Flickr in full resolution.

Disney invents touchscreen that lets you feel textures  —  The company that brought you the first animated feature film and the multiplane camera may be at work on its most game-changing invention yet: Flat touchscreens that let you feel the shape and texture of pictured objects, almost like they were actually there.

iPhone 5s and 5c rolling out to more than 25 new countries on Oct. 25, a dozen more Nov. 1  —  Following the launch of the iPhone 5s and iPhone 5c in the United States on September 20th, Apple has announced that it will begin phase 2 and phase 3 of the new devices rollout in the coming weeks.

IAB: Mobile Revenues $3 Billion In 1H, 15 Percent Of Total  —  The IAB has just released its Q2 and first half 2013 revenue report.  Total digital ad revenue in the US was roughly $20 billion.  Search was the largest single category and mobile captured 15 percent of the overall total.