It was design to be a micro payment scheme, so it we have that in mind then definitely you can use to buy something online that accepts it, simply as that.

Although it has evolved so much in the last 10 years, so can still go on its roots. Maybe it's a store of value, hedge against economic downturn. Regardless it can still be used as form of money. In my case I used it to pay for my monthly internet connections and some bills (through 3rd party).