Until now, Donald Trump has relied on traditional media to cover his campaign, like this book launch earlier this week. Kena Betancur/AFP/Getty Images hide caption

itoggle caption Kena Betancur/AFP/Getty Images

There was a lot of excitement in 2012, when the Hiriko car was unveiled at this event at European Union headquarters in Brussels. At the time, the then-president of the European Commission, Jose Manuel Barroso, hailed the car as a trans-Atlantic "exchange between the world of science and the world of business." Zhou Lei/Xinhua/Landov hide caption

itoggle caption Zhou Lei/Xinhua/Landov

Twitter changed its "favorite" star icon to a "like" heart icon prompting largely negative responses from Twitter users. But is it the heart they hate? Or the change itself? Screenshot by NPR hide caption

itoggle caption Screenshot by NPR

The Environmental Protection Agency said Monday that additional diesel Volkswagens were equipped with "defeat devices," making them run more cleanly during testing. Markus Schreiber/AP hide caption

itoggle caption Markus Schreiber/AP

A startup in Austin, Texas, has built the prototype of a tiny home that could stack up, in a "rack," and move when you do. Kasita hide caption

itoggle caption Kasita