CodeCanyon - Google Traffic Pop for WordPress v1.0

Take full advantage of Google’s 500 million plus user base by giving your visitors an alternative to ads that also create value for you. By clicking +1 on your content they share it with everyone and they get to view your content uninterrupted: a great alternative to those who have content they cant charge for but want added value from it. Requiring them to +1 before reading / viewing / downloading etc will add thousands of new visitors and links to your sites! More +1’s = more traffic = more money!