I hear a lot from many parents and spouses who want a way to monitor what their kids or significant other is doing on their phone. I also hear from people just out of relationships who worry that their ex is spying on them.
In both cases, I'm going to end up talking about spy apps. These are apps that hide on your phone and tell someone else everything you've been doing and even where you are. Click here to learn how apps can spy on your cellphone.
The legality is a bit tricky. You have to own the gadget to legally install the app, which is fine for parents, but a problem for spouses and exes.
Still, given how many spy apps are used illegally, it's a wonder you don't hear about more legal hassles around them. That's why this California woman's story is making such news.