I dont see any reason for gold, its shiny but useless to the average person. Bitcoin on the other hand serves a real purpose and its a great investment.
Gold is easy, buy a bar, stick it in a safe, done. Bitcoin requires a bit more technical know-how, but has tons of advantages.
You should need to mention all those advantages of bitcoin that people are come to know about these advantages. As people aware of that advantages like they will getting more familiar. So try to mention all those advantages which bitcoin has. I know bitcoin having many tons of advantages like it is enlarging on daily based. It is helping hard times and so on.