Date: 06/14/07 (Web Development)    Keywords: php, database, tracker, google

Xedant Keyword Database - contains 44,000,000 (44 millions) keywords - search queries in Google with complete information according to each of them: Overture, Wordtracker and Google Adwords popularity estimation, competition estimation according to Google and Google AdWords, bid price estimation according to Google AdWords.

The database is used for:

- keyword research;
- generating doorways;
- discovering profitable AdSense niches;
- finding good domain names for resale or parking;
- getting new ideas for products and services.

More info: http://www.xedant.com/keyword-database.php

Source: http://community.livejournal.com/webdev/415595.html