Google Voice has a hidden feature that lets you record any phone call you're participating in, and unlike other apps, it doesn't cost a dime. When it comes to recording phone conversations, you may think the worst and associate it with something shady like obsessive exes and stalkers. In reality, there are more mundane reasons to record calls on your iPhone or Android phone. For example, documenting verbal agreements, saving job interviews to review with coworkers, keeping important meetings where it's imperative not to forget anything, and even incriminating somebody of wrongdoing. While... more