usell.com (PXHI) 10-K 2011 FY Annual report

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report of Upstream Worldwide, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2011, as filed with the Securities and Exchange Commission on the date hereof, I, Douglas Feirstein, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1.          The annual report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and

2.          The information contained in the annual report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Douglas Feirstein

Douglas Feirstein

Chief Executive Officer

(Principal Executive Officer)

Dated: March 30, 2012

In connection with the annual report of Upstream Worldwide, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2011, as filed with the Securities and Exchange Commission on the date hereof, I, Daniel Brauser, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1.          The annual report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and

2.          The information contained in the annual report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Daniel Brauser

Daniel Brauser

Chief Financial Officer

(Principal Financial Officer)

Dated: March 30, 2012