What is Vizu?
Vizu is a market research company. When you sign up to be a publisher, you agree to put a skyscraper on your blog with a poll. These polls are made by advertisers. You choose how much you want to charge the advertisers for the answers your readers provide.
The following was taken from the Vizu site:
Why add Vizu Answers to your site?Vizu makes readership demographic data available to Publishers
Unlike ads, Vizu's polls do not take visitors off your site
Polls are interactive and encourage user participation
Polls fit the look and feel of your existing visual design
Polls provide content targeted to your audience
Polls are an excellent way to monetize your site traffic
Take a look at how I customized the widget to fit into my blog's look. It's easy to do. After you customize the poll box, you just copy and paste.
Please, particpate in the poll and see how easy and fun it will be for your readers.