The recent law that several states passed requiring motorists to use hands-free devices (i.e. Bluetooth headsets and speakerphones) is undoubtedly a good thing.
But if you're still on the fence, SpeakerPhone - Auto On is a freeware app that runs in the background and will, as the name suggests, automatically turn on your device's speakerphone when you receive a call.
Be sure to grab the latest version of the app, and follow the installation instructions.
Get the Windows Central Newsletter
All the latest news, reviews, and guides for Windows and Xbox diehards.