EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the registration statements on Forms S-3 (Nos. 333-50760 and 333-50758) and Forms S-8 (Nos. 333-44262, 333-56014 and 333-56016) of Juno Online Services Inc., of our report dated January 17, 2001, relating to the consolidated financial statements and financial statement schedule, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP New York, New York March 16, 2001