Google has put out a series of videos to help you better take advantage of their rich snippet offerings. Doing so can help your content stand out in search results, and inspire more clicks and search traffic.
In an increasingly difficult SEO landscape, anything that can accomplish that has got to be worth doing (within the rules). Here’s the entire series embedded for your educational enjoyment:
And here’s a bonus video from last year from Matt Cutts, talking about how long it takes for rich snippets to appear: