PayWithSocial brings viral marketing support to your Joomla site. It was very easy to setup, super simple to use and strongly recomended for anyone who wants Facebook or Twitter exposure for their content.
For $5 US, it is very simple to get "Pay with a Tweet" functionality on your website thanks to Pay With Social from https://www.templateplazza.com.
The plugin works with Joomla 2.5 and 3. It installs perfectly. Their documentation even includes instructions for setting up a Facebook app, which you need for the Facebook integration.
Pay With Social doens't include a Google+ option and it doesn't look like they have plans to add it anytime soon.
So if you have a few goodies you want to share with the world and you want to generate some traffic to your site, give Pay With Social a try!
Creative Reboot is small design group that specializes in bridging the gap between creativity and technology.