Client: Frito Lay
URL: https://apps.facebook.com/zostan-jurorem-lays/
Technologies used: HTML5, CSS3, JavaScript, jQuery, Ajax, PHP, MySQL, APC
 
The contest started on 7th October and ended on 29th October. Users could win 3x500 PLN every day for the best justifications of their votes. Every 500th vote won the carton of Lay's.

Details:
- Facebook application
- advanced voting system
- high protection against bots and cheating
- cache based on APC and files
- extensive use of AJAX and jQuery
- integration with Facebook API
- almost 355 000 votes