Both the Kingston and Seagate wireless storage devices offer multiple users to access the drive at the same time and even to view video content simultaneously, although WiFi connection speed and reliability will likely limit the actual ability to look at simultaneous video streams.

FORBES: Is 64 GB Big Enough -- Why Tablet Computers May Need More Storage?

Because of this, the actual International Prototype Kilogram (yes, there does only seem to be one in existence) is stored in a vault in Sevres, France, limiting the lay person's ability to determine the actual weight of a kilogram.

ENGADGET: blogger-avatar

But as to the ability to punch through an actual message, Rand Paul is running circles around everyone else.

CNN: New leader of the GOP: Rand Paul

The problem of virtual reality sapping the ability to deal with the actual reality of battle was raised by Army ombudsman Maj.

FORBES: WTF? Israeli General Warns of Officers Texting Orders, Being Ignored

We even celebrate some people solely for their ability to talk big, irrespective of actual value or performance.

FORBES: Retirement Investing vs. 'Performance Delusion'

And the U.S. Supreme Court has in recent years been handing down rulings generally seen to be helpful to defendants in patent infringement cases, in one notable case severely limiting the ability of outfits that do not conduct actual business operations to assert patents in court.

FORBES: Magazine Article

The ability to go back and forth between that information and the actual machine would be useful and might give shoppers less excuse to check out models on their smart phones or iPads while in the store (in the process perhaps spotting a lower price and leaving to buy online).

FORBES: Reverse Showrooming: Best Buy, Amazon And The Internet Sales Tax

Showing products but then redirecting a user to a hard-to-read website for the actual purchase or failing to tie in the process to the in-person experience through deals and pickup ability at a brick-and-mortar store will upset your customer.

FORBES: The Surprising Retail Winner In Mobile Apps