￼The Atlas of Economic Complexity: Mapping Paths yo Prosperity published by Harvard and MIT is a great source for ‘Economic Complexity’ index of the world. It is particulary good if you want to see the economies with a different perspective besides GDPs and Growth Rates.
Like Button is a wearable device which is connected to your Facebook! The minimal design and function gives a real presence to the concept of ‘like’ and it motivates people to do social networking in real life. Like button is created by Jona and Irene.