Not surprisingly, banks fear losing customers one day to upstart e-money dispensers and are themselves getting in on the act.

CNN: Cash -- or E-Money?

The statisticians at the ONS still have high hopes that e-borders will one day be able to provide reliable migration statistics.

BBC: The truth behind UK migration figures

Although e-books may one day transform the industry, another new technology that is less visible to readers is already making itself felt.

ECONOMIST: Book publishing in America

Parents with children enrolled there received an e-mail this week with the offer of a "one-day experience" Thursday for the president's visit.

CNN: STORY HIGHLIGHTS

But Lawrence Lessig, a law professor at Stanford University, warns that e-commerce firms will push for such certificates and that governments may one day require them.

ECONOMIST: Stop signs on the web

One-third of American adults plan on sending an e-card this Valentine's Day, according to a recent study by the mobile testing company SOASTA. Digital cards are most popular with men between 35 and 44, and spouses were the most common recipients.

CNN: Bacon chocolate, e-cards and other Valentine trends

"One sender said he conducted all his business via BabyMail for an entire day, " says Pam Erickson, an E-Trade corporate communication executive.

FORBES: Super Bowl Ad's E-Trade Baby Goes Social