Twitter Reverses Rally as Shares Dive

Shares of the microblogging site tumbled $9.56, or 13 percent, to $63.75.

RapGenius and Google: Tales in Growth Hacking Gone Wrong

A startup gets in hot water with Google’s search team. Was it a misstep, or did it just get caught doing what other companies are doing?

News Byte

Twitter Stock Has a Very Merry Christmas

Shares of Twitter jumped another 2.5 percent upon opening on Thursday morning, trading at $71.65 per share — yet another all-time high for the newly public company. In a little over a month of its trading on the New York Stock Exchange, the stock has soared to gains of more than 200 percent of its debut price of $26 per share.

Tweets Are the New Black: NYT Reporter’s Twitter Book to Be Made for TV

Hopefully it’s more of a Netflix joint than a Lifetime one.

Continuing Its Public Content Push, Facebook Acquires SportStream

Take note, Twitter!

Twitter Promoted-Account Ads for Mobile Go Mainstream

Cha-ching! More ad units in Twitter users’ main timelines.

News Byte

Twitter Steps Up Test of Local Tweet-Discovery Feature

As AllThingsD first reported in April, Twitter is continuing to test a feature that surfaces nearby tweets based on a user’s location. Spotted by The Wall Street Journal in the wild, the feature looks to be a separate swipeable timeline — and opt-in only — in its current state.

News Byte

Twitter Flip-Flops on Safety Feature Changes

Twitter rolled out a set of tweaks to its “blocking” feature on Friday, only to reverse its decision hours later and revert back to the original settings, after a torrent of user outrage and petitions from activist groups. Concerns were primarily around user safety and harassment issues that could have occurred as a result of the changes.

With Private Messaging, Instagram and Twitter Continue Their Arms Race

It’s getting harder and harder to tell the two apps apart.

Twitter Dethrones Facebook as 2014’s Best Tech Company to Work For

Spoiler: It’s the food.

News Byte

Twitter Adds Private Photo Messaging to Mobile

As AllThingsD reported earlier this year that it would, Twitter on Tuesday launched a significant revamp of its private messaging product, adding the ability to send photos via Direct Message. Twitter also added a swipeable timeline feature (which we also reported would happen). All of this comes days before a highly anticipated Instagram event.

Twitter Breaks Down How Its Engineering Teams Work

Three Women Dick Costolo Wishes Were Tweeting

Twitter Tips Its International Strategy

Twitter Considered Buying Topsy, Too — Here’s Why It Didn’t Happen

The Buzziest Social Network, According to Hip-Hop

#HungryGames: The White House’s Annual Turkey Pardoning Goes Social

Reminder: What You Post on the Internet Is Visible to the Internet

The Twitter Redesign That Wasn’t

Twitter Gets Experimental — And Not Everyone Loves It