we are already seeing the ramifications of the weight of joe blogs overpowering that of merchants.. the height of £175 bitcoin was due to every day people. now those with bitcoin are starting to see that there is not much that can be bought with it. which is leading to a sub £70 price
Nobody buys into a new currency when they don't know what's available for it unless in the case you mentioned they speculated on good investment or a particular product or service of interest.