I think that either Bitcoin is very big in 5-10 years, or another digital curerency like LTC is. Also, I don't find it very likely for someone to "take over" Bitcoins.
Oh really??
https://bitcointalk.org/index.php?topic=341940.0Read through that and tell me is unlikely that bitcoins wont be taken over. Bit coin is "no longer an open payments system, but rather a restricted, locked down platform with central control in the form of the current certificate authority structure, blacklisting of Bitcoins, reversing transactions and much more." (from the url above.)
Its almost ignorant (Im not calling YOU ignorant, just your idea) to think that bitcoin has some sort of "force field" against someone buying it out. haha