Hi . I have just completed an article introducing the usage to my Vietnamese community. This is my first post on the bounty steem, and I am very excited about how it works. My article is in Vietnamese, hoping that I will receive your good comments https://steemit.com/steembounty/@lienminh247/steem-bountyln-u-tin-s-dng-v-hng-dn-hot-ng-cho-cng-ng-steemit-vit-nam