DemandTec Lifecycle Price Optimizationtm, which enables retailers to strategically manage pricing for items throughout their stores, including regular items, promoted items, and markdown items

Exhibit 10.28

		A Professional Corporation
		900 Front Street, Suite 300
		San Francisco, CA 94111
Glenn P. Zwang		p: 415 ###-###-####
***@***		f: 415 ###-###-####
		www.bztm.com
Our File: 1781.067

February 19, 2008

Via Overnight Delivery

Demandtec, Inc.
One Circle Star Way
San Carlos, CA 94070
Attn: CFO

		Re:		Notice To Attorn To Landlord Circle Star LLC
				Lease: Circle Star Lease Agreement dated April 27, 1999 (the “Lease”) Sublease: Liberate Technologies Sublease Agreement, dated December 7, 2001, First Amendment to Sublease dated July 1, 2003, Second Amendment to Sublease, dated January 1,2007 (collectively, the “Sublease”)
				Premises: One and Two Circle Star Way, San Carlos (the “Premises”)
				Landlord: Circle Star LLC (“Landlord”)
				Tenant: Liberate Technologies (“Tenant”) Subtenant: Demandtec, Inc. (“Subtenant”)

Dear Sir or Madam:

          This firm represents Circle Star LLC, Landlord under the Lease with Tenant for the Premises. Tenant defaulted under the Lease, and the Lease will terminate on February 29, 2008. Pursuant to Section 3(iii) of the Consent To Second Amendment to Sublease Agreement dated February 7, 2007, Landlord hereby exercises its right to cause Subtenant to attorn to Landlord commencing as of March 1, 2008. Please continue to direct payment of rent in accordance with our instructions set forth in our letter dated October 8, 2007.

		Very truly yours,
		Bartko•Zankel•Tarrant•Miller
		A Professional Corporation
		Glenn P. Zwang

GPZ/ma