Candy Crush Saga was 2013's most downloaded app, being downloaded 500 million times. It also earned the most revenue. It is a favourite with gamers. One thinks she plays it at least 10 times a day, before, during and after work. She said it was addictive. Her colleague said she has stayed away from the game. She knows too many people who are addicted. She said: "I have to block invites to Candy Crush. It's a slippery slope."

Other top downloads of 2013 include Snapchat, a photo and video-sharing app. Snapchat went from being a niche app to being so popular that Facebook was reported to consider spending billions of dollars to buy it. A mobile analyst believes mobile apps could rival television this year. He said people pay a lot for TV, which is neither personalized nor mobile. He believes better content, a new device, or a better business model will challenge the popularity of TV.