Trendwatcher

Trendwatcher - graphs the number of results found in a google search for particular keyword searches overtime, provides graph's of movement.

free service that graphs the google-search result numbers for any term/phrase/keyword set, trendwatcher has been around since 2004, some interesting items it has captured the growth of -

• Youtube - just 39,000 hits were returned in google if you searched for "youtube" in March 2005, however now it returns just over 175 million, not bad for 14 months growth!
• Blogging phenomenon - just 8.3 million hits in July 2004, now over 4.1 billion, not bad!

Tech things involved -
- Drupal / PHP / MySQL based
- CSS, Custom drupal modules
- XML-RPC server (drupal)
- XML-RPC client (python) that updates the main site with search results
- AJAX autocompletion and search functionality