SEO Title Tags Do's & Dont's

9 Common Title Tag Mistakes and How To Avoid Them SEO

Custom Twitter Page Design

Awe-inspiring Twitter Brand Page Designs and Tips - Daily 'Net Features - Website Magazine

Great summary of SEO

 I go through a similar explanation almost every time I pitch a new customer. Very well done and easy to understand.

SEO Pricing Models

SEO Pricing: 600+ Agencies Share Costs of Services & Pricing Models | SEOmoz

Controlling Keywords

SEO Basics - Website Keyword Inventory
Google's ten recent algorithm changes - Inside Search
Google Changes Search Algorithm, Trying to Make Results More Timely -