1. Compositing the photos taken from hundreds of tourists http://bit.ly/ePdly5
2. Mini-apartment on wheels http://bit.ly/eMgqrO
3. Map of the world's drinkiest countries http://bit.ly/ijslH8
4. The computer AI Watson on Jeopardy http://bit.ly/e5rASR
5. String gardens http://bit.ly/hiQIzj