"The current economic environment has caused many student loans to be shuffled around between lenders, and this has made it hard for students to keep track of who exactly they need to pay to clear their debt," 40/20 TV reports. "Many banks left the student loan business over the past year. That left those banks with no choice but to sell their student loans to other lenders, unbeknownst to many students. The University of Arkansas Department of Financial Aid said students are often left in the dark because their current contact information isn't passed along to the new lender. That leaves new lender with no way of getting a hold of the student. In a worst case scenario this can result in a student's loan defaulting."