At the time of writing this post, every site has the option to display any form of rich snippets for its site. However at the recent Pubcon conference, Matt Cutts, Google head of web spam has revealed that in the coming months or year, rich snippets would be allowed for quality sites only. This means, sites that are abusing the power of rich snippets will have to face a difficult time in future.
In the coming days, displaying rich snippets and increasing CTR would be more challenging than today. So, the crux is, increase the quality of your site and add brand value to it.
Also See:-
Panda Update and What Matt Suggests
Google Pushes for User Sharing of Sites
Where to link to the original source in the article?
Links from article marketing sites
Importance of Backlinks in Seo
How to Create Backlinks That Google Loves
How to Rank in Google
Google Search Quality Updates