Who knows reddit will become popular and bitcoin is a developing currency to be adopted by the whole world, specially were now on the digital age of technology. The uprising competition of digital technology will soon dominates the country and people will feel more safer as they transact their digital goods purchases online. For now as very prominent sites like bittrex that's not impossible to happen also with reddit to be more well known site.
Yes thats possible to happen, but need some time, for now most people are using fiat and cash to complete their deals and trades online and offline, and still few percentage of people worldwide are using crypto currencies for such deals, thats why there is actually little number of marketplaces supporting Bitcoin.