On April 15, 2009, a Texas federal district court held that an arbitration provision in Blockbuster’s online terms of service was “illusory” and unenforceable because Blockbuster had reserved the right to change the terms of service at any time. Harris v. Blockbuster Inc., No. 3:09-cv-217-M (N.D. Tex. April 15, 2009). If followed by other courts, the Harris decision could have significant implications not only for website operators, but also for any company that wishes to retain the right to modify its standard terms for existing customers.

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