The group of people on the boat are dressed in scuba diving gear. A man in scuba gear enters the water while filming himself while holding a selfie stick. the diver

films himself while diving underwater.

Several bikers are lined up in a row. they

then take off biking.

Another man waits on the start line before accelerating into the long jump. He looks to the crowd who are subdued. He walk away looking at the ground. another man

waits on the start line before running into a longjump.

How to introduce yourself before giving a seminar
Pick the correct length of time.
Time allocation should conjure up images of goldilocks. It has to be.
Too long and you waste the audience's time. Too short and the audience is disoriented.