Skyhook maps the locations of wireless networks by driving around with a Wi-Fi antenna and software that automatically records network IDs and signal strength (a practice known as war-driving).

There has been modest growth in tourism worldwide despite two years of terrorism, war, and disease, and China is the engine driving it, according to the World Tourism Organization.

In a phone interview while driving back into Libya from Egypt after a brief break, he discussed the tragic deaths of Hetherington and Hondros and why war reporters do what they do.