Beginning at 7 a.m. Wednesday, the Illinois Secretary of State rolled out digital IDs for Apple users, giving residents the opportunity to add their Illinois driver's license onto their phones for use at airports, restaurants and bars. About two hours later, messages started popping up on phones saying the service was down due to high demand. In a statement emailed to NBC Chicago, the Illinois Secretary of State's office said acknowledged that the system was busy. "Given the excitement, there is