I have just noticed a problem, I sent 0.0001 to my Electrum wallet. And the minimum transaction fee I was able to set to transfer it out of my wallet is 0.00002. That is 20% of the total sum I was transferring.

If Bitcoin does become mainstream worldwide and MOST* people use it every day. The value of 1x Bitcoin would have to increase 1000 fold. That would make 1BTC worth $600,000.00, and 0.0002 BTC worth $1,200.

If its then costs $1,200 to send 0.0000001 bitcoins that will make Bitcoin unusable?