The private social network Yammer just released a pretty cool feature called ‘Praises.’
Praises are basically badges that you can give a coworker for an accomplishment, similar to the ones foursquare, GetGlue and others offer.
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Since your Yammer network is your entire company, this is a great way to recognize an employee in a meaningful way without causing too much of a disruption and/or embarrassing the employee. Not a bad idea.
To find out why your business should be using Yammer, I would encourage you to read this article that I posted earlier today.