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David Frost's Tip Jar Welcome to David Frost's Tip Jar. If you have found helpful the information I've made available on my site, Singularpress.com, or on my Vannevar Project, please feel free to give a few bucks. Your wallet won't even notice and I'll be able to finance ... Read more You are paying: David J Frost (singular_press_dba) Privacy Notice: No information about you will be shared with the recipient. Learn more about privacy.   Your payment amount: US $ (US $1.00 or more) Total Collected: US $33.00 # of Payments: 6 Details from David J Frost David Frost's Tip Jar Welcome to David Frost's Tip Jar. If you have found helpful the information I've made available on my site, Singularpress.com, or on my Vannevar Project, please feel free to give a few bucks. Your wallet won't even notice and I'll be able to finance more projects. Thanks very much. Questions about this recipient or its Web site? Contact: david@singularpress.com Want to revisit this page? Visit: http://www.amazon.com/paypage/P26L17PIAH8KG8