It would take more than 1,000 1,200-page volumes to contain the content of Wikipedia, but PediaPress has made an example volume to show what it might look like. "Our goal is to allow everyone to explore the physical dimensions of Wikipedia," says PediaPress founder Christoph Kepper. PediaPress hide caption
A woman looks at her smartphone as she walks by a banner of Turkish prime minister Recep Tayyip Erdogan, in Istanbul on March 21. On Thursday, Turkish court orders banned Internet users from accessing Twitter, but the social media company posted instructions on how to tweet from a phone. Ozan Kose/AFP/Getty Images hide caption
In the NASCAR Fan and Media Engagement Center, 13 46-inch TV screens display charts, tweets and live races. Michael Tomsic/WFAE hide caption
The fastest-growing part of the online dating market is people over 50, according the CEO of the Match Group. Carmen Winant/Getty Images hide caption
Facebook announced it acquired WhatsApp late Wednesday. Justin Sullivan/Getty Images hide caption
A screenshot of the online multiplayer Pokemon game. Twitch.tv hide caption
Porn has a distinct problem that less racy media companies don't have: Users are afraid of leaving a digital record. Paid sites are trying to lure viewers out of the shadows and into credit card payments. iStockphoto hide caption
Facebook software engineer Brielle Harrison demonstrates the website's expanded options for gender identification at her company's Menlo Park, Calif., headquarters. Harrison, who helped engineer the project, plans to switch her identifier to "Trans Woman." Noah Berger/AP hide caption
Emily Kitfield, 16, says she's not sure if she would have been able to come out to her parents and community without being able to reach out to others online. Courtesy of Emily Kitfield hide caption
Joaquin Phoenix stars in the film Her, in which his character falls in love with an operating system. When will artificial intelligence programs like Siri evolve to the point where we'll fall in love with them? Courtesy of Warner Bros. Pictures hide caption
A few years ago I started getting mysterious notifications from hundreds of strangers on Facebook — dozens came in every day from all over the world. Figuring out what was going on took me back to my first day on Facebook, six days after it launched in February 2004. Joerg Koch/AP hide caption
Actress Emma Thompson is one of the first to have an audio snippet of her voice included in her Wikipedia biography. Joe Scarnici/Getty Images hide caption