Until major corporations get out of the way of network connectivity (aka making it a utility instead of a "service") mass penetration won't happen as they want to be tangible 100% always access to their "money", so to speak
All things about the dollar will definitely end on mungkina will not happen. Because the dollar is the currency of the international became a benchmark of any thing in the world, although so bitcoin can still have the opportunity to get a higher price or give you a really great prices in units of dollars. Because the bitcoin not based on dollars, but rather on the needs of all people in the world. If the needs and requests of this world then the price is bitcoin will definitely be very high. So, do your best and never swayed on the negative