http://www.the-dma.org
2. Media Central
http://www.mediacentral.com
3. ClickZ
http://www.clickz.com
4. ChannelSeven
http://www.channelseven.com
5. MarketingClick
http://www.marketingclick.com
6. ICONOCAST
http://www.iconocast.com
7. Who's Marketing Online
http://www.wmo.com
8. Publicity.com
http://www.publicity.com
9. Guerrilla Marketing Online
http://www.gmarketing.com
10. DM News
http://www.dmnews.com