If e-books encourage people to read more, that's good for public libraries -- which have a core mission to foster literacy and community engagement with information, culture and civic life.

CNN: E-book lending: Your public library's best kept secret?

But high-profile victims are often targeted by phishing, where hackers send deceptive e-mails that encourage victims to enter personal information.

CNN: Twitter bumps up log-in security after hacks

The country then made changes to strengthen the quality and availability of outpatient primary-care services (including payments to encourage physicians to provide e-mail access, off-hours consultation, and nurse managers for complex care).

NEWYORKER: The Hot Spotters

"Your e-mail ... makes a blatant attempt to encourage ill-informed support from people who are justified in their frustration with this summer's unprecedented airline delays, " wrote Bolen.

FORBES: The Skies Get Unfriendly

Encourage them to forward your e-mail, and post the good news to Facebook profiles.

FORBES: Make the Most of Black Friday and Saturday: E-mail Offers to Past Customers

Sprint Nextel (nyse: S - news - people )wants to encourage businesses to equip workers with mobile devices and use mobile e-mail and Web-based applications, thus increasing use of their networks.

FORBES: Chief Executive Gary Forsee

Firms are starting to use internal social-networking tools, such as Yammer and Chatter, to encourage collaboration, discover talent and cut down on pointless e-mails.

ECONOMIST: Schumpeter

Sprint Nextelwants to encourage businesses to equip workers with mobile devices and use mobile e-mail and Web-based applications, thus increasing use of their networks.

FORBES: Magazine Article