Talking Web Bookmarks to Stories about the Web

This post on the Search Engine Guide lists seven things that you must expect from your clients if you are a SEO professional.

This post on the Smashing Magazine lists eight strategies to create successful relationships with clients.

This post on the Freelance Switch lists 12 types of clients and how to work with each of them.

This post from the "You the Designer" blog lists 20 bad habits clients frequently have, and how you should avoid them.

This post on the Designious Times blog present a few types of clients and how to survive them.