I find useful to a lot of shops to have a FAQ.

Functionalities :

* each question and answer in several languages

* translated in 14 languages

* dedicated page on front-office

* link to this dedicated page can be display on one column or in header (or footer)

* use accordion in javascript to display it

* many options for accordion : http://www.dynamicdrive.com/dynamicindex17/ddaccordion.htm

If anyone wants to contribute to this (developer, graphist, translator...), leave your sugestion on PrestaShop forum : http://www.prestashop.com/forums/viewthread/33081/