Cell Phone Use (IMAGE) Michigan Technological University Caption Almost everyone has a cell phone, and that creates a lot of demand for data, which means engineers need to think about where to site new cell towers. Credit Zach Smith/Michigan Tech Usage Restrictions please credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.