Keeping the logo topic on, here is a round-up of web resources on this subject:

The Best Brands of the World — one of the most visited web sites intended for browsing and exchange of the World’s famous brand-logos. The primary use of site is to enable designers to access vector-forms of the well-known brand-logos that they can use in their presentations, given the permission of the copyright owner. The web site also enables designers to upload their own works and professional details.

AllTheLogos.com — is an online database of logotypes and logo design. This includes more than 70,000 companies and organizations brands logos, team sports logos, countries flags and insignia as well as signs, general usage logos and more. We hope to provide inspiration for designers as well as become a visual guide to the pop culture behind brands. You can either view the logos alphabetically by clicking on the category links or do a search for a specific brand.

AAA Logo — logo design software will help you to design professional logo image for printing or the Web in minutes! Choose one of 100+ pre-made logo templates as a start point for your logo project or create a blank logo project and make your own logo from scratch. AAA Logo has it’s own vector-based logo objects library with more then 2000 customizable logo elements.

Logo Design Tips — tips on logo design preparation, types of logos, typography.

LogoYes — Neat flash application that provides you with a step-by-step wizard to design your own logo

Clever Logo blog — interesting weblog of a logo designer, analyzing and commenting on more or less known logos.

Logotypes.ru — A free site with a collection of nearly 5000 company logos.

LogoGame — Have fun and test your logo knowledge. Guess the company, or organization a logo clip belongs to. Players will be able to enter their guesses, and check their validity for each clip. When I player guesses all 26 names correctly for that game, they can enter their name into the hall of fame to boast their achievement to other players who have yet to guess all correctly.