The course book has always been an essential part of the teaching-learning process. It is the storehouse of information used both to learn and to teach from. If I take a course book I can work with all the information gathered in it. However, this in itself is not satisfying any longer as students look out for something more and teachers are also eager to provide them with more.
I've found a gripping article the other day about researchers who had examined the network system of the Greek epic poem The Odyssey, mapping 1700 connections of 342 characters. Interestingly enough, they have found that the network system of the epos is very similar to that of the network systems of Facebook or Twitter
There is an entertaining (and extremely addictive) game based on Google Street View called GeoGuessr. Our task is simple: we are dropped off somewhere in the world, at random, and we must guess on the world map in the top-right corner where we think that place could be.