I am currently working on a proof of concept and I would like to be able to identify users without the need for the user to generate account and such. The proof of concept consists of a console installation where the user inputs POIs and then the user can refer a personalized leaflet/guide based on his earlier entered data on his mobile device. Now I would like to identify the user in some manner when he uses his mobile device (currently iPhone atm).
Are there any best practices if you want to do such things? I am currently