Voice

Emphasize your personality - bring the energy. Get the viewer on my side.
Come across as warm and exciting.
Be true to yourself and authentic

Don't Rush. No slangs or acronyms.
Breathe between sentences.
break into manageable sections to convey your point.

Speak to the listener.
Talk to the person. As if they were sat right next to you.
Hope your day is going well.

Don't say "everyone tuning in or you all". Always keep it a single conversation.

Who is my audience
Craft the personality to reach that audience.
Whose listening? Age/ Demographic, country, - look at data.
Do an audience demographic survey.

More speaking you can do to the camera, and microphone.
Be critical of myself.