Your privacy policy can in effect be very short and to the point, it doesn't need to be long wordy like some of the ones listed.
Ultimately as long as you address the following it's good to go
1. How do you use the data you collect
2. How do you store the data you collect
3. Cookies and User Sessions
4. Use of Email addresses and news letters
5. Third party access to data
Mine is pretty short and in plain English (not Sharkish

) :
"It's quite simple, we don't sell your info we don't give it away, we only contact you if you sign up for our newsletter or you've made and order that needs a follow up, we have a cookie that tracks the user session on the store and keeps the shopping cart info. If you ask the site to save your password details then another cookie is created that is tracked when you come back to the store. All info is used only by us and will at no time be shared or sold. "Feel free to copy that
Cheers
Chris