lots of differant people use bitcoin everyday.
well i think not a lot of people uses bitcoin right now but i really use it a lot, i buy some digital goods with bitcoin and i sometimes buy physical stuff from ebay shop
no you are not right. lots of peoples. even hundreds of thousands of People using bitcoin for buying, selling, trading and exchanging.
buying selling can be lots of type. like buying goods, buying psychical things. buying digital goods, buying other currency and buying bitcoin it self.
Most people make use of the Bitcoin as a currency but most people use it as an investment because the value can change.
With this the users are allowed to make money with them.
both of ways should be considered as use of bitcoin. as spending bitcoin and using it is called using bitcoin just like this investing through bitcoin also should be called as using bitcoin.
there are equal usage of bitcoin. as investment and as currency.