Twitter

The Happiest Cities in America, According to 10 Million Tweets

People in Napa, California, sure are satisfied. And the saddest places all swear too much.

Watch a Map of Lost Productivity (Otherwise Known as Tweeting)

All the tweets in the world glimmer in this entrancing visualization of real-time tweets.

'I Pledge to Walk Alone': Activists Demand Safer Cities for Women in India

Pressing for a deeper change in gender attitudes.

'Oakland Is the Newark of the West Coast'

And other metrophors.

A Startling Number of Americans Use Social Media in the Toilet

Also in this Toilet Tuesday: researchers discover that men experience more "stress" than women when using public bathrooms.

How Facebook and Twitter Are Making Developing World Cities Better

The governments of virtually all large Latin American cities now use social media to engage with citizens, and smaller cities are quickly following suit.

London's Raucous Babble of Languages

Data engineers examined more than 3 million tweets to create this sprawling linguistic cartography.

The Rudest City in America? It's Buffalo, Jerkface

You're more likely to get an "F--- you" than a "Good morning" in Buffalo, according to a survey of potty-mouthed Twitter users.

How Facebook and Twitter Are Helping the Homeless

Connecting through social networks can make it easier to be homeless and easier to escape homelessness.

The World Cities That Tweet the Most

Jakarta bests New York and L.A. as well as Tokyo, London, and São Paulo, according to a recent study.

How Twitter Is Like a City

For dissidents like Ai Weiwei, the internet is fulfilling roles once played by urban space.

Map of the Day: The Geography of Klout

Which countries have the most social media influence?

Map of the Day: Soda vs. Pop vs. Coke

This time, based on Twitter data.

The Book-Burning Campaign That Saved a Public Library

A social media hoax outwitted an anti-tax group and galvanized voters in Troy, Michigan.

Behind the Mask: @UrbanismAvenger Speaks!

The voice behind our favorite new Twitter feed won't reveal his or her true identity, but does offer casting notes for an all-urbanist superhero team.

How Twitter Helped One Man Become Chicago's Most Popular Cab Driver

Rashid Temuri has more than 4,100 followers and more service calls than he can handle.

What Twitter Means to Detroit

It may only be a small office, but the deal is a high profile win for entrepreneur Dan Gilbert.

Sheboygan's Odd, Addictive Police Scanner Chatter

@Sheboyganscan posts shocking, head-scratching and zen tweets from the Wisconsin city's police scanner.

Why Twitter Chose Berlin

The city's affordability and edgy culture is helping turn it into a world-class high-tech center.