Among the facilities Google's iPhone app lacks that are present in its Android equivalent are indoor maps, the ability to download maps for offline viewing, and voice search.

BBC: Google Maps back on iPhone after Apple software fiasco

Competing only on the ability to offer a discount equivalent to sales tax is effectively operating an offshore account, at the expense of your consumers.

FORBES: Guest Post: Online Sales Tax

Demonstrating the ability, and the inclination, to write well is a rough equivalent to showing up in a black Mercedes.

NEWYORKER: Looking for Someone

Instead of supplanting the judgment of consumers by requiring them to buy the medical equivalent of Hondas instead of Yugos, we should empower patients and harness the extraordinary ability of Americans to find good value for their money.

FORBES: Can Markets Work in Medicine?

He said the equivalent in the nonelectronic world would be a catalog that is sent to a home in an envelope with the ability to send out the recipient's address to other stores the minute the envelope is opened.

CNN: Privacy groups ask FTC to close e-mail loophole