It may also be a good idea to have a spare couch or the number for a cab service handy.

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With cash a bit tighter and industry contacts harder to come by these days, Zoom's lower-end service has come in handy.

FORBES: Magazine Article

By surveying a sample of the 500, 000 401(k) retirement plans covering 60 million Americans, the Internal Revenue Service has put together a handy list of what features employees can expect or demand in their plans.

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The Russian Federal Service of State Statistics just released an extremely handy supplement to the 2011 Russian Statistical Yearbook.

FORBES: Connect

His poker experience has come in handy in the dispute over Dish's "Auto Hop" ad-skipping service.

WSJ: Dish Chief: TV Needs to Change

One more handy feature: the unit is expected to take advantage of the TomTom plus traffic service via your phone's GPRS connection, providing real time traffic information as well as weather, news, and additional features.

ENGADGET: TomTom go 700 SatNav unit boasts Bluetooth, hard drive

Check with the individual delivery service to find out how to get written proof of the mailing date and keep it handy with copies of your return.

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Certainly, it seems that the company's selection is nothing to sneeze at -- electronic access to over 7, 000 titles from 12 publishers -- so if you're already using the service, additional on-the-go access to the books (as well as the handy search, notes, and bookmarks) might prove quite worthwhile.

ENGADGET: CourseSmart releases eTextbook reader for iPhone

There's no minimum service, customers are allowed to change their plans on the fly, and there's even a handy parental control mode that lets concerned caretakers set curfews and app restrictions on their kid's phones.

ENGADGET