A screengrab from the "Kony 2012" online video about the Central African warlord Joseph Kony, which skyrocketed in popularity after its release in March. It was criticized, then forgotten, just as quickly.
An image provided by Spotify shows music artwork displayed on its mobile app. Spotify began offering a free radio service for mobile devices in the U.S. in June. Before that, customers had to pay $10 per month to use its mobile app.
Kenyan Susan Oguya created an app to help farmers in her homeland. Shown here in the office of her company, M-Farm, she also belongs to the group Akirachix, which seeks to bring more Kenyan women into the tech world.