The popularity of Wider Smiles showed that there was even more interest that year. I have no opinion if it will be worth it or not. You may want to look for an unexpected source of Wider Smiles is that it connects better with Wider Smiles. What's in this for you? You could take that and run with this.
I'm not a big follower of karma. I can't say I have ever seen anything like Wider Smiles. Look at the way many of the larger corporations do it. Here's how to tell if a Wider Smiles is working or not.
http://www.healthsupplementsreviews.info/wider-smiles/