Abstract: The present invention provides apparatus, systems and methods to wirelessly pay for purchases, electronically interface with financial accounting systems, and electronically record and wirelessly communicate authorization transactions using Personal Digital Assistant (“PDA”) (also referred to as Personal Intelligent Communicators (PICs), and Personal Communicators), palm computers, intelligent handheld cellular and other wireless telephones, and other personal handheld electronic devices configured with infrared or other short range data communications (for referential simplicity, such devices are referred to herein as “PDA's”).

Abstract: The present invention provides apparatus, systems and methods to wirelessly pay for purchases, electronically interface with financial accounting systems, and electronically record and wirelessly communicate authorization transactions using Personal Digital Assistant (“PDA”) (also referred to as Personal Intelligent Communicators (PICs), and Personal Communicators), palm computers, intelligent handheld cellular and other wireless telephones, and other personal handheld electronic devices configured with infrared or other short range data communications (for referential simplicity, such devices are referred to herein as “PDA's”).

Abstract: The present invention provides apparatus, systems and methods to wirelessly pay for purchases, electronically interface with financial accounting systems, and electronically record and wirelessly communicate authorization transactions using Personal Digital Assistant (“PDA”)(also referred to as Personal Intelligent Communicators (PICs), and Personal Communicators), palm computers, intelligent handheld cellular and other wireless telephones, and other personal handheld electronic devices configured with infrared or other short range data communications (for referential simplicity, such devices are referred to herein as “PDA's”).

Abstract: The present invention provides apparatus, systems and methods to wirelessly pay for purchases, electronically interface with financial accounting systems, and electronically record and wirelessly communicate authorization transactions using Personal Digital Assistant (“PDA”)(also referred to as Personal Intelligent Communicators (PICs), and Personal Communicators), palm computers, intelligent handheld cellular and other wireless telephones, and other personal handheld electronic devices configured with infrared or other short range data communications (for referential simplicity, such devices are referred to herein as “PDA's”).

Abstract: The present invention (sometimes referred to herein as Customer Specific Receipt Advertising (“CSRA”)) will provide apparatus, systems and methods that will provide participating retailers and service providers the ability to offer coupons, advertising and communications on printed or electronic receipts such that the coupons are specifically oriented towards the customer's buying habits and needs. Customers can choose to be included, or not to be included, in this program when establishing their account with Immtec's mewallet™ system, or any credit or debit card provider. The customer can also sign up for this service with any participating, licensed merchant.