1 [JUPITER COMMUNICATIONS LETTERHEAD] EXHIBIT 99.1 Jason Ream Credit Suisse First Boston 2400 Hanover Street Palo Alto, CA 94304 Oct 3 1999 I have approved use of the following: "According to a Jupiter Communications survey, in 1998 sending electronic greetings was the sixth most popular online activity, with 55% of online users visiting electronic greeting and postcard websites regularly." Jupiter NFO Consumer Survey Volume 2 Attitudes, Behaviors and Demographics of Online Users August 1999 /s/ KATE BERG - --------------------------- Kate Berg Director, Corporate Communications 2 [LOGO JUPITER COMMUNICATIONS] December 8, 1999 Mr. Jason Ream Credit Suisse First Boston 2400 Hanover Street Palo Alto, CA 94304 Jupiter Communications consents to the use of its name and the inclusion of the statements attributable to Jupiter Communications (see below) in the prospectus for your client, including any amendments to such registration statement to be filed with the Securities and Exchange Commission. Sincerely, /s/ Marla Kammer - ------------------------ Marla Kammer Director of Production Jupiter Communications "Jupiter Forecasts that US online shopping will reach $78 billion in 2003, and that online commerce will grow at a compounded annual growth rate of 58 percent." "Jupiter forecasts that US online shopping will reach $78 billion in 2003." "Many companies have begun to focus significant marketing efforts toward online ad spending and Jupiter believes that by 2003, online ad spending in the US will reach $11.5 billion."