How do you become confident on camera and in public speaking?

Speaking to camera, public speaking, stage presence.

Answers by date: 3 records in 3 sources, newest first; the answers above are the current ones. The advice was refined (2018), never reversed, in these records.

date	who	answer	source
2018-05-01	Ali	Ali's advice for becoming more confident in public speaking: just do it.	First Live Hangout + Rapid-fire Q&A 00:24:37
2018-03-07	Ali	Ali says that on YouTube you have to not care what people think, since you talk to a camera or walk around in public with a camera and a big microphone. → refers to Why I'm starting a Vlog - Cambridge Medical Elective #01	Monthly Favourites #2 - Ali Abdaal 00:11:44
2017-07-15	Ali	Ali finds starting a vlog pretty scary and says it needs an attitude of not giving a toss about what other people think.	Why I'm starting a Vlog - Cambridge Medical Elective #01 00:03:06