EXHIBIT A

JOINT FILING AGREEMENT

     The undersigned hereby agree that the statement on Schedule 13G (Amendment No. 1) dated January 10, 2003 with respect to the Common Stock of United Online, Inc. is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934.

     This Agreement may be executed in counterparts, each of which shall for all purposes be deemed to be an original and all of which shall constitute one and the same instrument.

Date:	January 10, 2003	IDEALAB
		By /s/ Bill Gross
		Name: Bill Gross
		Title: Chairman of the Board and CEO
Date:	January 10, 2003	By /s/ Bill Gross
		Name: Bill Gross
Date:	January 10, 2003	CLEARSTONE VENTURE MANAGEMENT I, L.L.C.
		By /s/ William Elkus
		Name: William S. Elkus
		Title: Managing Member
Date:	January 10, 2003	CLEARSTONE VENTURE PARTNERS 1-B, L.P.
		By /s/ William Elkus
		Name: William S. Elkus
		Title: Managing Member of Clearstone Venture Management I, L.L.C., its General Partner
Date:	January 10, 2003	By /s/ William Elkus
		Name: William S. Elkus

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