The Search Wars:
MSN makes the official switch announcement and is to spend big.

To appreciate the financial power of MicroSoft you need only look at the various 4th quarter "US Personal Income Soars" news stories which were primarily caused by MicroSoft's $32,000,000,000 dividens.

And while that is a lot of Zeros it certainly is not a Google's worth of them, but Yahoo! apparently is also digging into Google's market share.

The Registrar Wars:
Google is now a registrar

The Blog Comment Wars:

• fireside chat with a 6 figure (per month) link spammer

• Scoble talks more rubbish
• how to break captchas

SEO Contest Wars:
Loquine Glupe
I am thinking about running a buy viagra online contest soon. more on that later...

The PPC Wars:

• Did It launches PPC seminars, including a virtual seminar on the 3^RD (found on SEL)

• first wave of Google API products

The Oil Wars:
free Exxon Mobile gas

The Echoing Wars:

• the echo chamber

• many items in this post were echoed from ThreadWatch...