System for providing anonymous competition entry   

This application is a Continuation of U.S. application Ser. No. 10/815,630 filed Apr. 2, 2004, which is a Continuation-In-Part of U.S. application Ser. No. 09/575,197 filed May 23, 2000, now issued U.S. Pat. No. 7,721,948 all of which is herein incorporated by reference.

FIELD OF THE INVENTION

The invention relates generally to the field of promotional competitions for retail sale of product items, typically high volume, low cost grocery items. In particular, the invention relates to the use of invisible product tagging.

Various methods, systems and apparatus relating to the present invention are disclosed in the following co-pending applications, the disclosures of which are incorporated herein by cross-reference:

7,243,835 7,703,693 10/815,638 7,251,050 10/815,642 7,097,094 7,137,549 10/815,618 7,156,292 10/815,635 7,357,323 7,654,454 7,137,566 7,131,596 7,128,265 7,207,485 7,197,374 7,175,089 10/815,617 7,537,160 7,178,719 7,506,808 7,207,483 7,296,737 7,270,266 7,605,940 7,128,270 7,457,007 7,150,398 7,159,777 7,450,273 7,188,769 7,097,106 7,070,110 7,243,849 7,204,941 7,282,164 7,465,342

Various methods, systems and apparatus relating to the present invention are disclosed in the following co-pending applications filed by the applicant or assignee of the present invention. The disclosures of all of these co-pending applications and granted patents are incorporated herein by cross-reference.

7,156,289 7,178,718 7,225,979 7,721,948 7,079,712 6,825,945 7,330,974 6,813,039 7,190,474 6,987,506 6,824,044 6,980,318 6,816,274 7,102,772 7,350,236 6,681,045 6,678,499 6,679,420 6,963,845 6,976,220 6,728,000 7,110,126 7,173,722 6,976,035 6,813,558 6,766,942 6,965,454 6,995,859 7,088,459 6,720,985 7,286,113 6,922,779 6,978,019 6,847,883 7,131,058 7,295,839 7,406,445 7,533,031 6,959,298 6,973,450 7,150,404 6,965,882 7,233,924 7,707,082 7,593,899 7,175,079 7,162,259 6,718,061 7,464,880 7,012,710 6,825,956 7,451,115 7,222,098 7,590,561 7,263,508 7,031,010 6,972,864 6,862,105 7,009,738 6,989,911 6,982,807 7,518,756 6,829,387 6,714,678 6,644,545 6,609,653 6,651,879 10/291,555 7,293,240 7,467,185 7,415,668 7,044,363 7,004,390 6,867,880 7,034,953 6,987,581 7,216,224 7,506,153 7,162,269 7,162,222 7,290,210 7,293,233 7,293,234 6,850,931 6,865,570 6,847,961 10/685,583 7,162,442 10/685,584 7,159,784 7,557,944 7,404,144 7,068,382 7,007,851 6,957,921 6,457,883 7,094,910 7,091,344 7,122,685 7,038,066 7,099,019 7,062,651 6,789,194 6,789,191 6,644,642

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