Nowadays, a lot of teenagers are using social networks.One of the biggest and must used networks is Tumblr. This popular social network is a blogging-platform where the users can publicise texts,pictures,quotes,videos and audio recordings on little blogs. However,like the other big social networks, Tumblr ,too, has to face a lot of criticism.

Soweit bin ich mit meiner Einleitung, weiß aber nicht wie ich sie beenden soll. Kann mir jemand helfen?