The Cobb Police Department will hold two Internet safety courses for teens, teachers and parents from 7 to 9 p.m. Aug. 22 and Aug. 26 at the Cobb Safety Village, 1220 Al Bishop Drive, Marietta. The courses will cover cyber bullying, social media and the sexual exploitation of youths and participants will have a chance to ask questions. The seminar is free, but registration is required. Info: safetyeducation@cobbcounty.org or 770-852-3270.