As the holidays approach and more people are out shopping, they may notice some of the new high tech security that retailers are using to battle theft and shoplifting. According to an annual survey conducted by the University of Florida with a funding grant from ADT Security Services, U.S. retailers lost $40.5 billion to theft last year. The survey measures retail shrinkage defined as a combination of employee theft, shoplifting, vendor fraud and administrative error and found that employee and internal theft account for the largest portions of retail theft followed by loses from shoplifting.