Social commerce is like a unicorn: beautiful, alluring, and almost totally imaginary

Call it the unicorn problem: beautiful, alluring, magical, and totally non-existent. Social commerce, according to the latest Monetate e-commerce report, is almost as elusive.

After heightened hacks, Twitter releases two-factor authentication

Twitter launched its two-factor authentication security product today, which will take the form of text message codes. The move comes after a number of publications were hacked, resulting, in one case, in a reaction from Wall Street.

Twitter granted pull-to-refresh patent that everyone already uses (and sort of gives it away)

The developer of pull-to-refresh was so concerned about how Twitter would use his patent that he asked Twitter to agree with him -- as part of the terms of the sale of his company -- that it would never use the patent offensively.

Twitter cofounder Jack Dorsey is terrible at Vine

You'd think Twitter cofounder and Square CEO Jack Dorsey would be a whiz at social media. But his posts to Twitter's young video-sharing service Vine are a mix of weirdly creepy and just-plain-boring clips.

Yahoo newsfeed’s latest ingredient: Embedded tweets

For the second time in the last month, Yahoo is making some changes to its newsfeed that will presumably attempt to boost interest and improve the overall experience of reading the news.

Twitter cofounder raises money from Jack Dorsey, Bono, Al Gore for mysterious startup Jelly

In a blog post today, Biz Stone announced closing a funding round led by Spark Capital with participation from SV Angel. An elite group of individual investors also contributed, including Jack Dorsey, Bono, Reid Hoffman, Steven Johnson, Evan Williams, Al Gore, Greg Yaitanes, and Roya Mahboob.

Twitter ‘Hate Map’ shows where racist, homophobic, and offensive tweets originate

Students at Humboldt State University in California individually reviewed 150,000 geocoded tweets containing racist, homophobic, or otherwise offensive terms to build a "hate map" indicating where people in the U.S. are most bigoted.

Twitter acquires data visualization startup Lucky Sort for … revenue engineering?

Twitter has acquired data visualization startup Lucky Sort, possibly to bolster its ad sales and reporting tools.

Twitter acquires ‘big data’ and large-scale computing startup Ubalo

The startup was working on simple ways of scaling code beyond single machines. Using the Ubalo infrastructure, developers could write code for multiple machines with no additional overhead.

Obama steals new privacy head away from Twitter

Twitter is losing its legal director Nicole Wong to the White House in the name of privacy. President Obama has tapped her as his newest Chief Privacy Officer.

Twitter’s video-sharing Vine exploded 200% last month

"We may be witnessing the rise of Twitter's recently acquired Vine," Compete.com's Conor O'Mahony said.

AppsFlyer says social sharing delivers better results for app marketers than search

If you're looking for high volumes of users, mobile ad networks can deliver them.

2M Facebook fans better than Super Bowl ad, celeb endorsement … or Twitter followers

Facebook fans are the holy grail of small business, according to a recent study by Staples.

Twitter improves user experience and trends on iOS, Android, and its Vine app

Twitter updated its iOS and Android apps today so you can see more trends in more places. The company also improved video playback on Vine.

Why you need social media marketing … in China

You can't access Facebook in China. Twitter is unheard of. And Google … well, Google has left China, and China isn't exactly writing a Taylor Swift ex-boyfriend song about the world's largest search engine.

Twitter Ads now available to all U.S. businesses

After only being available to select businesses for about a year, Twitter Ads is now available to almost all U.S. companies that want to use it.

Developer says Twitter should shut him down. He may be about to get his wish

Twitter is finally talking to one developer who created an advertising app he said should be shut down by the social network.