Computer hardware and software systems for processing point of sale transactions, payment transactions, voucher redemption; Computer software platforms for connecting beacons and other proximity sensors; Downloadable mobile applications for location based, real-time photo sharing; Downloadable software in the nature of a mobile application for posting reviews and recommendations on products and services of others; Downloadable software in the nature of a mobile application for enables the user to gift goods and services to participating recipient members redeemable at enrolled retailers and enables users to access coupons, loyalty rewards; Downloadable software in the nature of a mobile application for enabling users to create, share their geographic location, pictures, videos, personal and general information and interact with other users on the basis of proximity and keyword tagging; Proximity sensors; Computer application software for mobile devices, namely, software for processing point of sale transactions, payment transactions, voucher redemption; Computer application software for mobile devices, namely, software for internet-based dating, social introduction, social networking and matchmaking; Computer application software for mobile devices, namely, software for proximity based searches that allows users to find other users profiles based on specified tag words