成人论坛

We take a look at where people are having social media discussions instead of what is being is being talked about this week.

We interview David Karp, the founder and CEO of Tumblr, a micro-blogging site with more than 200 million blogs. There are over 86 million posts on the site every day, and more than half of visitors are under 25.

Are people moving from public social networks like Twitter to more private platforms such as chat apps? In 2014 we saw a number of places where Whatsapp and Firechat were being used to communicate privately to avoid government censors. We speak to the 成人论坛鈥檚 app editor Trushar Barot to find out why different platforms are popular.

Plus, we speak to model and actress Lily Cole who has spent the past year setting up an online community that can share and help people out. Called Impossible, the website is being used in around 70 countries.

Also, the Trending team offer their imaginative predictions of what will trend in 2015.

(Image: A customer inspects a new phone in a store. Photo by Lintao Zhang/Getty Images)