It's time to untangle the Web

摘要

MOST ALL OF US RELY UPON ELEC-tronic media-the Internet and e-mail-when we need information right now.After all,electronic dissemination delivers a wealth of resources on demand.However,some serious shortcomings still compromise its power.For instance,when you "Google"almost any topic,you'll come up with a long list of Internet pages but no real gauge of the quality of information.You generally have to visit myriad sites to piece together all the details you need.