The Federal Trade Commission's final report on digital privacy contains some very welcome recommendations.

The recently released report, title "Protecting Consumer Privacy in an Era of Rapid Change," looks at challenges consumers face in "today's world of smart phones, smart grids, and smart cars," as "companies are collecting, storing, and sharing more information about consumers than ever before." It sets out a framework that would allow consumers to control whether they are tracked online, have better visibility into how information is used by mobile apps and have access to their information being held by data brokers.

The commission isn't calling for "do not track" legislation similar to the "do not call" law that, in theory, protects us against unwanted marketing calls. Rather, it calls for voluntary industry compliance, which it says is starting to happen through browser-based tools and cooperation from the Digital Advertising Alliance and other players.

Ironically, this voluntary approach may actually work better than the "do not call" law, which makes it a crime for businesses to cold call phone numbers registered at DoNotCall.gov. I've registered all my phone numbers, but I still get annoying robocalls trying to sell me carpet cleaning, car insurance and a new mortgage.

The commission's focus on mobile apps is right on target. Between Google's (