WP-Predict enables you to add multiple choice questions to your blog posts. Your readers can then select an answer. Once you set the answer your readers will be ranked in a leaderboard widget.
To see screenshots of the plugin visit http://www.pootlepress.co.uk/wordpress-plugins/
安装:
Upload wp-predict.php to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.