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Has the disruptive new media gone mainstream? CEO of Ask.com, Doug Leeds, talks to Rory about his company's recent purchase of Ask.fm, a social network with a younger demographic and a notorious reputation. Emma Mulqueeny, the founder of the Rewired State Group, joins us to discuss how Ask.fm's new owner can make the site safer for young users.

Also, as BuzzFeed is valued at $850m - more than the Washington Post - has new media gone mainstream? BuzzFeed's Vice President of Europe Will Hayward talks about why the company's use of 'native advertising' is so attractive to readers.

Mobile phone maker Samsung is facing competition abroad from in-country competitors like Xiaomi in China and Micromax in India. What's the secret of the home-grown phone? The 麻豆官网首页入口's Shanghai Correspondent John Sudworth and 麻豆官网首页入口 India Business Reporter Shilpa Kannan join in to discuss,

There's big business in taking pictures of the earth. 麻豆官网首页入口 ccience correspondent Jonathan Amos makes a visit to the tent to tell us about the most powerful commercial satellite ever - one that can see a resolution of up to 31cm from space.

Presented by Rory Cellan-Jones and featuring Carolyn Rice and Mark Ward from the 麻豆官网首页入口's online technology desk.