EXHIBIT A JOINT FILING AGREEMENT

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/ Xxxx Xxxxx
				Name: Xxxx Xxxxx
				Title: Chairman of the Board and CEO
Date:		January 10, 2003		By /s/ Xxxx Xxxxx
				Name: Xxxx Xxxxx
Date:		January 10, 2003		CLEARSTONE VENTURE MANAGEMENT I, L.L.C.
				By /s/ Xxxxxxx Xxxxx
				Name: Xxxxxxx X. Xxxxx
				Title: Managing Member
Date:		January 10, 2003		CLEARSTONE VENTURE PARTNERS 1-B, L.P.
				By /s/ Xxxxxxx Xxxxx
				Name: Xxxxxxx X. Xxxxx
				Title: Managing Member of Clearstone Venture Management I, L.L.C., its General Partner
Date:		January 10, 2003		By /s/ Xxxxxxx Xxxxx
				Name: Xxxxxxx X. Xxxxx

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