When I first heard about bitcoin, you could send transactions with no fee, or with a fraction of a cent fee if you really wanted to make sure of confirmation. The idea of being able to send tiny amounts of value like 20 cents, half way around the world for less than a cent was mind-blowing to me and gave it a real use value to me. One could reward people for an insightful comment on a forum with a small tip. People would have bitcoin addresses in their footers for such tips.
You can't do that with bitcoin any more and that is a real shame.
I want to see vending machines accept bitcoin. You can't do that if it is going to cost $20 for a transaction. When transactions were a fraction of a cent, that was a real use case for bitcoin in comparison to credit card processing fees of up to 10 % on small, sub-$5 transactions.
Bitcoin is a victim of its own success, but if you can no longer transact with it, it will lose value to other coins with negligible fees that can scale to handle Visa and Mastercard throughputs. Think Bitshares, Steem and hopefully EOS. IOTA has potential here too.