Bitcoin can be massively adopted only when it would have some price stability.
No chance we'll see people spending lot of their bitcoins because they hope it's value will rise and no chance we'll see merchants massively accepting bitcoins when there is a constant fear of bubble and crash.
It's simple as that, some tech internet companies might adapt it but until bitcoins stop to be hugely speculative stuff there'll be no mass adoption.
How do you define mass adoption? People spending their BTC? Or people hoarding their BTC? Still mass adoption of the coin either way. And as all the data suggests do to bank account confiscations and precious metal confiscations now occurring in Europe there is a flood of people adopting BTC.