Google regularly makes user-friendly decisions like allowing people to check GMail using desktop email clients, an option which deprives Google of advertising revenue.

FORBES: Google Really Is Less Evil Than Its Competitors

Another example might include an HR generalist using the system to push out upcoming event information or changes to healthcare coverage to a web portal and then alerting staff to the changes via a mass email or other messaging option.

FORBES: HR Starts With Communications And Collaboration

Once completed David has the option of sending the email to an individual or thousands of individuals in one go, depending on the service he buys.

FORBES: Talk Really Can Be Cheap

They also have the option of not publicly listing any email address at all.

WSJ: Facebook's Email Change Riles Users

Gmail service offers an option for users to access their email accounts using both a password, and a numerical code separately sent to the authorized user's mobile phone.

WSJ: False Associated Press Twitter Message Sparks Stock-Market Selloff

In its email, Best Buy gave its customers the option of canceling their orders outright, replacing it with a similar device, or searching the product at a brick and mortar location (a customer service rep told us that the Transformer Prime is not in stock).

ENGADGET: ASUS Transformer Prime pre-order shipments delayed at Best Buy, Amazon

Taxing authorities in Delaware County, Indiana, are bucking this trend: property owners may have the option of receiving their property tax bills via email.

FORBES: You've Got Mail: E-Bills for Taxes Could Be Headed Your Way

Customers purchasing a subscription through the App Store will be given the option of providing the publisher with their name, email address and zip code when they subscribe.

FORBES: Cond�� Nast jumps first on realistic e-sub pricing

If website visitors click on the Scout Drive Button from their computer rather than their phone, Scout will offer the option of sending a link to launch navigation on their phone via a text message or mobile email.

ENGADGET: Telenav Scout for Apps comes to Android and Windows Phone, Scout Drive Button released for website-based nav