Marketing:
ReadBurner: a Google Reader shared link monitoring service.
http://mashable.com/2008/01/07/readburner/

Using Epinions.com for marketing
http://www.10e20.com/blog/2008/01/09/epinions-internet-marketing-strategies/

Make your mini online marketing plan.
http://www.conversationmarketing.com/2008/01/10_steps_to_a_sound_internet_m.htm

SEM:
Initial review of AdCenters new Excel tool.
http://danzarrella.com/initial-thoughts-on-ad-intelligence.html

SEO:
Become a Google approving link partner.
http://www.wolf-howl.com/google/want-an-editorially-approved-link-become-a-google-partner/

Good strategies on developing a sound SEO plan.
http://searchengineland.com/080109-112819.php

Web Amusing:
The Decapitator terrorizes London advertisers.
http://www.flickr.com/photos/the_decapitator/

Fun Stumbleupon Error Hack.
http://patrickdevivo.com/2007/12/29/cool-stumbleupon-trick/

Dumba$$ of the week: Gene marks.
http://www.ask-kalena.com/rants/dumbass-of-the-week-gene-marks/

Popularity: 27% [?]