Speed is key

Here's some information of search engine optimization, it's hard to read...
They say knowledge is power, I think speed is key. Some guys may spend 5 minutes to read these, but I'll have to spend 30minutes; how about they take one hour from someelse?
XML paid inclusion
XML Paid Inclusion: Marketing Winner, Search Spam Killer
A Beginner's Guide to Search Engine Optimization
The Top 5 SEO Myths
Robots.txt
26 Steps to a Successful site with Google Alone
What is PageRank or PR value?