Track and analyze online advertising. Download data into a Microsoft Excel spreadsheet, or import graphs or the data into your own database to perform your own analyses.

The source for news in the advertising industry. Includes job postings as well.

This University of Texas site offers a massive collection of links--nearly 80 categories of advertising and marketing resources. Starting with A (account planning) it goes all the way to W (web site promotion) with (internet advertising) in-between.

Collection of resources including associations around the world, advertising tracking firms, publications, and various other useful resources.