exhibit 10. 1 july 14, 2005 mr. vinod gupta iusa acquisition corporation omaha, nebraska confidentiality agreement dear mr. gupta : in connection with your consideration of a possible transaction ( “ transaction ” ) with infousa, inc. ( together with its subsidiaries, the “ company ” ), you have requested the right to use, or to furnish to third parties, certain non - public information regarding the company or the transaction. all of this information ( whether written or oral ) furnished ( whether before or after this date ) by you ( or by the company at your direction ) to third parties including your affiliates, directors, officers, employees, advisors, agents, “ controlling persons ” ( within the meaning of the securities exchange act of 1934, as amended ( the “ 1934 act ” ) ), financial advisors, and potential debt or equity financing sources ( such affiliates and other persons being referred to collectively as “ representatives ” ) in connection with your consideration of a transaction, and any notes, analyses, compilations, forecasts, studies or other documents prepared by you or any of your representatives which contain or reflect any such information, is referred to as “ evaluation material. ” the term “ evaluation material ” does not, however, include any information which at the time of disclosure or thereafter is generally known by the public ( other than as a result of its disclosure by you or your representatives ). in consideration of your being permitted to use and to furnish the evaluation material to your representatives as provided herein, you hereby agree as follows : 1. the evaluation material will be used solely for the purpose of evaluating a transaction with the company involving you or your affiliates and will not be used in any other manner, and unless and until you have completed a transaction pursuant to a definitive written agreement between you or any affiliate and the company, the evaluation material will be kept strictly confidential by you and your representatives and not disclosed in any manner, except that the evaluation material or portions may be disclosed to those of your representatives who need to know this information for the purpose of evaluating a transaction with the company ( it being understood that prior to this disclosure your representatives shall be informed of the confidential nature of the evaluation material and shall agree to be bound by this agreement ( the “ agreement ” ) ). in any event, you agree to be responsible for any breach of this agreement by your representatives and you agree, at your expense, to take all reasonable measures to restrain your representatives from prohibited or unauthorized disclosure