EXHIBIT 7

JOINT FILING AGREEMENT

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other, except to the extent that it knows or has reason to believe that such information is inaccurate.

Dated: January 28, 2005
	Lawrence Investments, LLC
	/s/ Philip B. Simon
	Name: Philip B. Simon
	Its: Member
	Tako Ventures, LLC
	By:  Cephalopod Corporation, Member
	/s/ Philip B. Simon
	Name: Philip B. Simon
	Its: President
	Lawrence J. Ellison
	By:	/s/ Philip B. Simon
	by Philip B. Simon, his attorney in fact
	Cephalopod Corporation
	/s/ Philip B. Simon
	Name: Philip B. Simon
	Its: President