location

There are 2 modes:

1. Post a Twitter Update on a Google Map: A twitter user can post location specific tweets by clicking on a google map and typing in their update. The map location is converted into a short URL and appended to the twitter message.

2. Search for Twitter updates on a map: Click anywhere on the Google map to search for twitter messages referencing that location name.

GeoChirp helps you search for people Twittering for specific things in a specific area.

Twitter SPY displays the Twitter public timeline in a fancy and addictive way with Google Maps and some optional filters.

A geography–centric business and networking tool for building customer relationships and monitoring real–time buzz. It improves Twitter capabilities

This application allows you to auto-update your Twitter location when you move to different places.

A place to submit photos so that you can then link and tell other people about them.