Five must-read, must-see links

Smart guy Nic Newman on digital addiction clinics being big in 2013

Everyone’s talking about Buzzfeed, ad models and scalability. Here’s a good primer and here’s an update about the rumble with tumlr.

Time Inc’s People and Cooking light to share content. Revolution brothers and sisters!

Fine post by Colin Morrison on the future for specialist magazines

Group productivity is an illusion. Evidence that you’ll do better thinking on your own