Ever visit a web site that won't let you read the article until you fill out a survey? Many of them are byapssable -- you just need to modify the source code a bit.
WonderHowTo suggests finding the annoying box or survey and right clicking on the survey box and then choosing the "Inspect Element" function in your browser. Once you find the survey portion in the code, delete that part of the code. In many cases, the dialog box will disappear. I tried this tip on my local newspaper that had a Google Survey and it worked like a charm.
Note this doesn't work on all web sites or with all browsers, and some web sites consider it a violation of terms of service to avoid such surveys. Find out the details by following the link.