my job is to administer a few websites for a fortune 500 company - i'm responsible for their web presence across about 100 countries. we currenty have a set of web standards in place which are about 3 years old. i personally feel that 3 years is pre-stone age. can any one of you help me identify the most important web usability guidelines. i know that the best of the web congregates around daniweb and i am sure that your advice will be very helpful. thank you for your help in advance.