That depends on which part of Answers.com you're looking at. Reference sources on Answers.com are updated on a varying basis. Some sources like the weather are updated throughout the day. Who2 is updated daily. Other sources like Encyclopedia Britannica and encyclopedias from The Gale Group and Oxford University Press are updated periodically depending on when we get sent an update from them. The more "popular" encyclopedias from the Gale Group are usually updated every month while the less popular ones are only updated every 6 months to a year. WikiAnswers, the Q&A portion of Answers.com, is constantly updated, by users like you. Anyone who knows an answer can update an answer at any time.
most dictionaries are updated yearly and some are only updated every decade
To ensure accurate information, listings for television programming must be updated regularly. It is often updated nightly, but it can be updated more frequently should the information be available in time.
It gets updated really often, almost daily
Every year the codes are updated and published.
With the increasing demand on gold, quotes need to be updated quite often. In todays time, gold quotes are updated approximately 3 to 5 times a year, when before they were only updated yearly.
"The printed version of the encyclopedia Britannica are updated every year, while the online versions are updated more often. Britannica decided in 1933 to do updates on a regular schedule."
Simply Switch programs are usually updated frequently. They are updated on a day to day basis, if not weekly.
The Deals of America website is updated very frequently. It is updated from morning to evening and is updated several times over the course of an hour.