bitcoin is being used in so many places throughout the world but it can be so much more. It's obvious that there are so many freelancers in every country. Firms, companies, startups etc.. have a limitation that they can hire freelancers only from their country since they can pay them only in their native currency to avoid hassle of exchange. But if firms, companies, startups etc.. start using bitcoin as a payment method to hire freelancers then there will be so many opportunities for the freelancers since they can get work from anywhere in the world. I don't know why has this not become a huge thing until now. This could really change the life of freelancers and give a better end result/product to the company they are working for.
The problem is the regulations made by government. Almost all of countries want to collect tax from their citizens, there are still many countries that still prohibit the use of bitcoin. One of microtasking platform called fiverr is cooperating with coinbase to help bitcoiners to buy the service. Actually the service providers of this kind of service have realized the practicality of using bitcoin transaction.