This article from the BBC News Technology section discusses a location-aware blogging tool called OneReach created by students which has won a UK innovation award.

The tool gives travellers access to blogs specific to the area they are in so they can find useful information and tips.
It also creates a map which allows family and friends to follow their exact progress while they are away from home.
The tool relies on GPS (Global Positioning System) and requires a smartphone.

Relevance: Has usefulness as a tool to help tourists better adapt to foreign surroundings using mobile technology (see Barry Brown tourism research here.