Rosetta Stone 2010 Annual Report Download - page 141

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Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-158828 on Form S-8 of our reports dated March 11, 2011, relating to the
consolidated financial statements of Rosetta Stone Inc. and subsidiaries (the "Company"), and the effectiveness of the Company's internal control over
financial reporting, appearing in this Annual Report on Form 10-K of Rosetta Stone Inc. and subsidiaries for the year ended December 31, 2010.
/s/ DELOITTE & TOUCHE LLP
McLean, Virginia
March 11, 2011