Prospectus Supplement No. 3 Filed Pursuant to Rule 424(b)(3) (To Prospectus Dated December 15, 2000) Registration No. 333-50098 Prospectus Supplement Dated February 2, 2001 This prospectus relates to the resale by the holders of shares of Class A Common Stock. This prospectus supplement should be read in conjunction with, and may not be delivered or utilized without, the prospectus dated December 15, 2000. The information in the table appearing under the heading "Selling Securityholders" on page 5 in the prospectus is hereby amended by adding the information below with respect to selling securityholders not previously listed in the prospectus or in any amendments or supplements thereto, and by superceding the information with respect to selling securityholders previously listed in the prospectus or in any amendments or supplements thereto that are listed below: Percent of Percentage of Percent of Common Stock Total Voting Maximum Number Shares Owned Class A Prior Prior to Power Prior of Shares Selling Securityholders Prior to Offering to Offering Offering to Offering Being Offered ------------------------- ----------------- ------------- ------------ ------------- -------------- Emerald Dreams LLC 586,115 * * * 586,115 Joseph V. Gallagher 76,329 * * * 76,329 Kristen Maccini 35,809 * * * 35,809 Veeder Family Trust 57,921 * * * 57,921 James A.R. Veeder I 75,000 * * * 75,000 TOTAL 831,174 * * * 831,174 * Less than 1%.