Polls are a popular form of content. Drupal 7 has the Poll module built in and the Advanced Poll gives to an expanded set of options. Webforms can be used for polls.

• The Drupal core Poll module is documented at http://drupal.org/documentation/modules/poll.
• The Advanced Poll does not have a documentation page so I will start as a child of this page.
• Webform is documented at http://drupal.org/documentation/modules/webform