This will depend on your Web site and whether you have the access or ability to generate forms. Planning a good entry form will yield you better results. The information you will request will be formulated from your goals. It's perfectly acceptable to ask questions about consumer preferences on your entry form, such as brand name awareness. Be aware, though, that if you ask for information that is too personal, such as income level, you may not get a large response.
People are still very wary about giving out that sort of information.
You now have the information you need to set up your promotion. The next step is to ensure that you are complying with local laws and regulations. If you don't post that bond, then your sweepstakes is considered illegal in the State of Florida. This is one of the reasons that you'll often see sweepstakes void in certain states. If this is your first time sponsoring a sweepstakes, make sure you check with local laws about possible restrictions.