An input and processing system allows user input information such as user affinity to efficiently determine user characteristics from content as well as novel input of commands such as copy/paste on a small mobile device screen among other computing devices. A client/server is also made more efficient due to the enhanced gathering of information. Also disclosed is a system for rapid presentation of information such as barcodes at barcode scanners. A system can request multiple barcodes, coupons or the like by detecting a signal from a scanner that information presented has been read.