Our top ten links of the past 7 days: 20 April 2012

If you’re a regular reader of the blog, you’ll know that we send out a email to BBH staff with 10 links we’ve liked over the past 7 days. We look for things that are provocative, challenging, useful, or just plain interesting. When we feel really good about the list, we post it to the blog. Here’s this week’s list....