Twitter made its debut on the New York Stock Exchange in November. Both the social media giant and the relative newcomer Snapchat are valued in the billions, but neither company has yet turned a profit. Emmanuel Dunand/AFP/Getty Images hide caption

All Tech Considered
Tech, Culture and ConnectionThe Industry
Monday
Tuesday
Architect's rendering of Apple's new facility Courtesy of City of Cupertino hide caption
Check Out These Gorgeous, Futuristic Tech Company Headquarters
Friday
Omar Wasow founded BlackPlanet, one of the earliest social networks, but isn't as widely recognized as the founders of Facebook or Myspace. Willi Wong hide caption
President Obama and Vice President Biden met with tech executives at the White House on Wednesday. Jim Watson/AFP/Getty Images hide caption
Thursday
A lettuce thinner created by an agricultural tech startup uses cameras and sensors to thin lettuce rows. Salinas, Calif., has hired a venture capital fund to help it attract other high-tech agricultural companies to the area. Courtesy of Foothill Packing Inc. hide caption
A City Turns To Lettuce Fields To Grow High-Tech Startups
Wednesday
Manny Cardenas, seen here with his 5-year-old daughter Zoe, has earned $16 an hour as a part-time security guard at Google. Laura Sydell/NPR hide caption
Tuesday
Protesters in San Francisco block a Google bus, which shuttles employees from the city to its location in Silicon Valley. cjmartin/Flickr hide caption
In A Divided San Francisco, Private Tech Buses Drive Tension
Chad Dickerson, chief executive of Etsy, was among the group of tech leaders visiting the White House. He gave $500 to the Obama campaign. Etsy hide caption
Monday
One of several robots at the University of California, San Francisco's hospital pharmacy helps manage and track its drug inventory. Leland Kim/University of California, San Francisco hide caption
Last Monday, protesters blocked a bus that transports San Francisco Google employees to Silicon Valley. Joe Fitzgerald Rodriguez/Courtesy of San Francisco Bay Guardian hide caption
Thursday
Tech companies around the world have set up shop in the financial district in Dublin, Ireland. Peter Muhly/AFP/Getty Images hide caption
Amid Cuts And Tax Hikes, Tech Companies Get Love in Ireland
Friday
Amazon CEO Jeff Bezos' announcement that the company is pursuing drone delivery technology incited equal parts media buzz and fervent skepticism. AP hide caption
Friday
Kelly Kelley, who goes by the gaming pseudonym MrsViolence, streams her play nightly for her many fans to watch. Twitch.TV screenshot hide caption
Monday
A lineman grounds a line on a replacement pole in McNeill, Miss., after 2012 Christmas day storms downed both telephone and electric power lines and poles throughout the state. Upkeep on traditional landlines is expensive, and some are pushing for relaxing requirements that phone companies maintain these lines. Rogelio V. Solis/AP hide caption
Friday
The sharing economy was the feature of our All Tech theme week. Are You Gonna Eat That/Flickr hide caption