In some countries bitcoin cannot be use to buy Real stuffs like food clothes and other goods and services but even though bitcoin can be used in plenty of ways mostly in the cyberworld it is used in online markets like Game Credits, Gadgets some use it in the dark webs to purchase weeds,drugs. Others are trading it to a different crypto-currency or exchanging to dollars, so how to you use it ? 
not much different as you express, on my most frequently used to exchange bitcoin bitcoin currency into my country, about my online shopping is still rarely use bitcoin as a means of payment, because bitcoin my country can not be accepted by the government as currency.