Where do you get the downswing from? Every day new companies rise up and the adoption goes on. Even if the absolute exchange rate would go down the adoption goes on. No need to repeat all that news about Afrika, remittance market, Overstock, Expedia, Bloomberg, Winklevoss ETF and so on ... at some point simply the market demand will be there. Currently China seems to be a driving factor. But that will swap and real mass adoptions starts.
What a nice world where nobody can take the money of somebody else just by force. Where you can buy worldwide with one currency within seconds. Where you do not need a purse to carry a collection of exchange coins around. ....