It depends on who do you introduce bitcoin to, and the way how you introduced bitcoin to the. Not all people is tech savvy, I've introduced bitcoin into some of my friends and only a couple of the really got involved in crypto currency. Even I who really believes in crypto was skeptical on it when it was first introduced by my brother.
Show them facts, and some trivia about bitcoin. One strategy that I am implementing to increase bitcoin adoption is to sell my load or prepaid load for mobile using bitcoin, in that case, they just need to pm me and everything will be settle. Most of them ask me why I do not have any transaction fee? I always tell them I use bitcoin. Curiosity will trigger a person to be willing in investigating and figuring out what bitcoin is, and other cryptocurrencies.