最近有不少政治任命的官員對民間活動進行政治審查，更指摘民間爭取政治訴求並不可取。
姑且不談立場，如果他們認為人們應避談政治，我勸政治任命的政治官員應首先避談政治，不要再接二連三譴責各種他們認為“沒有意義”的行為，因為譴責沒有意義的行為本身就是沒有意義。
BY 港大新工會資訊頻道
Secure video calling is in high demand. As an alternative to Zoom, many people are using end-to-end encrypted apps such as WhatsApp, FaceTime or Signal to speak to friends and family face-to-face since coronavirus lockdowns started to take place across the world. There’s another option—secure communications app Telegram just added video calling to its feature set, available on both iOS and Android. The new feature is also super secure—like Signal and WhatsApp and unlike Zoom (yet), video calls will be end-to-end encrypted.
Bitcoin mining is the process of adding new transactions to the Bitcoin blockchain. It’s a tough job. People who choose to mine Bitcoin use a process called proof of work, deploying computers in a race to solve mathematical puzzles that verify transactions.To entice miners to keep racing to solve the puzzles and support the overall system, the Bitcoin code rewards miners with new Bitcoins. “This is how new coins are created” and new transactions are added to the blockchain, says Okoro.
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