Michael Dorn as Worf, a Klingon, in the 1998 movie, Star Trek: Insurrection. Paramount Pictures/Getty Images hide caption

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Sina Shahbazmohamadi places a 3-D printed copy of a recorder foot joint into a measuring device in a lab at the University of Connecticut's Center for Clean Energy Engineering. Peter Morenus/UConn hide caption

itoggle caption Peter Morenus/UConn

Dynegy is one of a growing number of companies to hold meetings online. Dynegy/Broadridge hide caption

itoggle caption Dynegy/Broadridge

A photo released by Tesla shows its new Powerwall lithium-ion battery pack mounted on the wall (left) of a garage behind one of the company's electric cars. Tesla Energy hide caption

itoggle caption Tesla Energy

Oakland police officers, wearing body cameras, form a line during demonstrations against recent incidents of alleged police brutality nationwide. Elijah Nouvelage/Getty Images hide caption

itoggle caption Elijah Nouvelage/Getty Images

UnitedHealthcare says it will cover doctors' visits by live video on smartphones, tablets and computers. Doctor On Demand hide caption

itoggle caption Doctor On Demand

President Obama announced an initiative to give e-books to low-income students while visiting the Anacostia Library in Washington on Thursday. Shawn Thew//LANDOV hide caption

itoggle caption Shawn Thew//LANDOV

Liam Gaynor (center), 8, and Laura Stark (right), 8, watch as an object is made on a 3-D printer at the Hillsdale (N.J.) Public Library in January. Michael Karas/North Jersey/Landov hide caption

itoggle caption Michael Karas/North Jersey/Landov

A Nepalese man checks his cellphone as people stay on open ground from fears of earthquake tremors in Kathmandu, Nepal, on Monday. Niranjan Shrestha/AP hide caption

itoggle caption Niranjan Shrestha/AP

Our modern relationship to property — namely that it's burdensome to own, and therefore less valuable — has allowed the sharing economy to expand. Gustav Dejert/Ikon Images/Corbis hide caption

itoggle caption Gustav Dejert/Ikon Images/Corbis

A Google sign at the company's headquarters in Mountain View, Calif. Google is launching a two-week-long patent marketplace next month, where sellers can name their own price. Marcio Jose Sanchez/AP hide caption

itoggle caption Marcio Jose Sanchez/AP

SwiftKey analyzed more than a billion pieces of emoji data, organized by language and country. The poop emoji was most popular in Canada. Unicode/Apple hide caption

itoggle caption Unicode/Apple