Many people share their personal information online and don't even notice who sees their personal information. 27 million Germans put personal information online and photos because they don't know how to stay safe online . Your personal information is your location, age, address,full name, phone number, school name, what you look like and password. BBC says that 140 million people are signed up on twitter and many of them put personal information into the public and so than they got jailed . FTC says that that the Rock You game site got 179,000 children's email address and date of birth during the registration. Many hackers then accessed 32 million users personal information. Stop Cyberbullying says that the more we use Google the more personal information is posted online. Netzsmartz says that that 9 million people have their personal information stolen each year. Hackers use your personal information to contact you or pretend to be you.