. >> reporter: consumer report electronic editor mike dickta says the gps our phone may be help for making suggestions on where to shop or get a bite to eat but ... >> you don't know who else has that information and what remains to be seen is the impact of a lot of 3rd parties having intimate knowledge of your every action. >> reporter: also keep in mind those apps you down load are connect to the web so malware could come with them and there is always the chance your phone could fail and be lost or stolen. >> the fact that many more people are using it as their on the go device makes it so much more important that you have some sort of protection. if your device feels you can notify the company right away. >> you wouldn't want to lose pictures or your calendar. she says google sync and the i cloud and your i tunes account can help you. and there are programs to protect you. >> there are programs and you can sign in and have the phone protected and your personal information will be safe. >> and some programs will allow you to allow on and have a screeching sound to deter thieves. >>> and