The hello world testnet app is now live on Polygon’s Mumbai Network - try it at app.helloworld.news! Here’s how 👇CONNECT your walletapp.helloworld.newsADD MUMBAI NETWORK to MetaMaskGet testnet MATIC from the MATIC FAUCETGet testnet NEWS from the NEWS FAUCETEach thread is a Headline NFT on Mumbai - click on one to interact with itMint or upvote comments by burning testnet NEWS - click ADD COMMENT or UPVOTE and follow the MetaMask prompts Owner of the most upvoted comment is awarded the Headli...