A lot of us believe that Bitcoin will see mass adoption when it could be used for practical purposes similar to money. For the time being, BTC can already be spent on a number of fun and exciting things. From online gambling to retirement investing, users are growing every day.Today, I'm sharing two practical use case of spending Bitcoin that you should bookmark:BitrefillI discovered this recently as I was looking for a way to buy Uber, AirB&B, Amazon gift card and other gift cards.Bitrefill is a popular service that sells Giftcards for all popular services. They have a huge list of Giftcards available for services like Apple store, Amazon, Steam, Playstation, Uber, Bestbuy, Spotify to name a few.caption for imageMost of these Giftcards could be redeemed instantly or you can actually gift these gift cards to your friends and relative. This is a community suggested way of spending Bitcoin.Visit BitrefillEDIT2. TravelBooking flight tickets, hotels booking is another practical way to spend Bitcoin. There are many popular services that let you book flight or hotels using Bitcoin & other cryptocurrencies.caption for imageTravala is one popular service that a lot of us are using for booking travels using Bitcoin.And, if you are someone who likes to book via AirB&B, you can use foldapp to buy the AirB&B coupon using Bitcoin.