This module enables 'Intense Debate' on your site.

http://intensedebate.com/

Sign up for a free account to enable people to comment on your products in a social way with threaded reply, images, avatars, sort by rating and date and many many other features. Disable your Prestashop comments system and get an upgrade today.

Supports:

• Facebook login and sharing with no extra modules
• Twitter login and tweeting with no extra modules
• oAuth login
• Wordpress login
• Full moderation
• 'Like' and 'Dislike' comments
• Store owner/admin reply with personal avatar
• Comment Threading 'reply to comment'
• Email notifications
• and MUCH MORE: http://intensedebate.com/features

Bonus Sidebar Plugins:

• Recent site-wide comments sidebar widget
• Most commented on (popular) product sidebar widget
• Comment Stats (total comments for your shop)

In short, adding Intense Debate to your store you're actually adding Facebook and Twitter too. Support: The developer is fluent in the following languages:

Send a message to the developer