I consider to buy IOTA, but I still have problems to understand it fully. I read about Carpass project and about Satoshipay what plans to switch from Bitcoin's blockchain to IOTA's tangle.
If I got it correctly, Carpass allows to observe cars by writing data into tangle, but how can data be stored? And if there is no need to pay fees, what value does IOTA tokens have? If I create a transactions with no fee, why do I need to own IOTA tokens then?