If you want to check for yourself, go on LinkedIn and type in your company name and see how many of your people are already on there.

FORBES: Banks Lag Behind Government When it Comes to Social Media

If you have forgotten your phone you will type in your phone number and a secret code (or simply speak your name) and carry on shopping.

ECONOMIST: Consumer banking

If you forget even once to enable your protections, or click on the wrong link, or type the wrong thing, and you've permanently attached your name to whatever anonymous service you're using.

CNN: The Internet is a surveillance state

Name some people, alive or not, who are the type of people you would appoint to your cabinet and other key positions.

FORBES: Ten Questions Candidates Have Yet to Answer

Type in "Paypal.com, " for instance, and the DNS server owned by your broadband provider converts that name into the Internet Protocol address where the site is hosted.

FORBES: Magazine Article