EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated January 19, 2000, except as to the follow-on offering described in Note 13, which is as of February 14, 2000 relating to the financial statements, which appears in Juno Online Services, Inc.'s Annual Report on Form 10-K for the year ended December 31, 1999. /s/ PricewaterhouseCoopers LLP PRICEWATERHOUSECOOPERS LLP INDEPENDENT PUBLIC ACCOUNTANTS New York, New York August 18, 2000