.com domain is waste if your content is related to a particuclar country. I selected .in domain for my blog on Indian stock markets which helped me in getting good Google traffic. Good article otherwise.
Microsoft announced online ad product and live search. What happened? nothing. Why? Lack of execution skills. This is the biggest problem with Microsoft in recent days. What happened to ipod killer? Still, I am not underestimating them. Strange!
But whether you like it or not, Knoll is going to kill Wikipedia. Most of the wikipedia traffic is through search which will be occupied by Knol. Knol is windows while Wikipedia will become Linux. Experts may use Linux but ordinary netizens will use Knol.
Extensive useful list for every blogger. Some ideas like profile updating helps enormously. Link building should be a continous process. Web 2.0 helps in this regard.
Feedburner is a perfect fit in the future growth plans of Google. Though RSS is still not widely used, acquisition of feed burner will give Google a new market of advanced publishers.
If you get around 1000 page views per day, you can easily earn $10 per day. It depends on the niche and adsense optimisation. You should optimise your blog for search engines.