What is Private Jail?

Many people talk about private jail with a suspicion that only rich people, movies stars, professional athletes or politicians are eligible? What is private jail?  Are there swimming pools there?  How is the food?  Where is it?  Is it invitation only?  How much does it cost? Who is eligible?  Is it at a Ritz Carlton?  Click on the following article to read about this often misunderstood option –http://www.greghillassociates.com/lawyer-attorney-1916273.html.