HipGeo is a free app that can create a sort of travel blog on the fly with as much or as little user input as you like.
It tracks your location, allows you to add comments and photos, and can even playback an animated map of your travels.
You can keep your travel info to yourself as sort of a diary, or share your adventures via Facebook, Twitter or email. Alternatively, publish your info to the world through a web page or using the app itself.
HipGeo also shows posts from people nearby who've elected to make their locations public. I didn't see a lot of activity near me, but I did see some public posts from the bigger nearby cities, and a lot of activity at the Consumer Electronics Show in Las Vegas.
The app works well, an