The following sites were excellent sources for research and new on online advertising.

Ad Age: http://www.adage.com

Advertising and E-Commerce: http://www.ntu.ac.sg/ntu/lib/advrtise.htm

AdWeek: http://www.adweek.com

CableWorld: http://www.mediacentral.com/index/

CyberAtlas: http://www.cyberatlas.com

Dataquest: http://www.dataquest.com

Forrester: http://www.forrester.com

IDC: http://www.idcresearch.com

Interactive Age: http://techweb.cmp.com:80/ia/iad_web_/

Internet Advertising Resource Guide: http://www.admedia.org/internet

I/PRO: http://www.ipro.com

IWorld: http://www.iworld.com/

Jupiter Communications: http://www.jup.com

Project 2000: http://www2000.ogsm.vanderbilt.edu

SIMBA: http://www.simbanet.com

TechWeb: http://techweb.cmp.com/

WebTrack: http://www.webtrack.com