Lack of adaption is the biggest problem for bitcoins. There are ways to make it usable everywhere. Like foldapp, there must be apps for all kind of people to use it for the day-to-day means of activities like retail purchase, offering to home less people and many others. This is the basic thing everyone spends money, If you enable basic spendings of everyone via your app to adapt bitcoin, easy to go.
True, true, true. How about media coverage. So that this companies that makes apps will see that there are now a lot of people using this kind of currency. That way is one of those company use it maybe others will start using it too due to the trust that have been given by that company for the currency.