Localization and Mapping

How to make everything follow local custom.

Enabling google maps for address-oriented items.

How to display a map of local listings.

Searching for items within a distance of a city or a zip or postal code.

Using a geolocation database.

Charging in euros, dollars, pesos etc via paypal.

Using state selectors for as many countries as you want.

How to let people choose which units to search in.