It requied a scanning method.Visually validated mobile tickets do not require a scan device. Most forms of mobile tickets require some form of device to read the ticket from the user's device. Picture-based messages require a laser scanner (for 1-dimensional/linear barcodes) or camera based imager (for 2-dimensional barcodes) to photograph the message and decode it into a ticket ID. Text-based codes use OCR software for mTicket. Near Field Communication devices scan using an RFID reader.
Each of the above methods has its specific benefits and drawbacks. Optically reading the display of a cell phone is heavily influenced by the quality of the display (resolution, size of pixels, reflections). RFID is only supported by a very few phones yet.
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