9 Downloadable computer software for uploading and sending digital content, namely, images, video and sound; Downloadable computer software for transmission of sound or images by means of a communication network; electronic, optical and magnetic data carriers containing data codes, namely, two-dimensional codes known as qr codes; Downloadable computer software for scanning and reading barcodes, qr codes and other visual cues; Downloadable computer software for use at venues, retail stores, arenas, event centers and any other type of business which allows users control of access, management of staff and data collection; Downloadable computer software, namely, database management software, wireless communication software for voice, audio, video and data transmission and optical and touch screen based character recognition software