THE NATIONAL ACADEMIES PRESS     500 Fifth Street, NW     Washington, DC 20001

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

Support for this project was provided by the National Science Foundation under Award Number CNS-0940372. Additional support was provided by Microsoft Corporation, Google, Inc., and the President’s Committee of the National Academies.

Any opinions, findings, or conclusions expressed in this publication are those of the author(s) and do not necessarily reflect the views of the organizations or agencies that provided support for the project.

International Standard Book Number 13: 978-0-309-30318-7
International Standard Book Number 10: 0-309-30318-4
Library of Congress Control Number: 2014940211

This report is available from

Computer Science and Telecommunications Board
National Research Council
500 Fifth Street, NW
Washington, DC 20001

Additional copies of this report are available from the National Academies Press, 500 Fifth Street, NW, Keck 360, Washington, DC 20001; (800) 624-6242 or (202) 334-3313; http://www.nap.edu.

Copyright 2014 by the National Academy of Sciences. All rights reserved.

Printed in the United States of America



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement