Exhibit (c)(1) THOMAS MONAHAN CERTIFIED PUBLIC ACCOUNTANT 208 LEXINGTON AVENUE PATERSON, NEW JERSEY 07502 (973) 790-8775 June 15, 1999 Securities and Exchange Commission Washington DC 20549 I, Thomas Monahan, hereby confirm my resignation as independent auditor for MonsterDaata.com, Inc. (formerly known as D-Vine, Ltd.), effective June 15, 1999. We have received a copy of the Form 8-K dated June 15, 1999, reporting in Item 4 the events which transpired relating to my resignation as independent auditor and the appointment of Marcum & Kliegman, LLP as new independent auditors. We have reviewed Item 4 of such Form 8-K and have no disagreements with the position of the Registrant as stated therein. Respectfully submitted, /s/ Thomas Monahan Certified Public Accountant MEMBER OF THE AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTS MEMBERS OF THE SEC PRACTICE and THE PRIVATE COMPANIES PRACTICE SECTION