Instead, focus on a few people. Your eyes will show whether or not you believe what you are saying. Gazing aimlessly signals a lack of confidence in the topic.
Pause when you have said something you believe is important and as a way to let listeners digest the details.
Not only will your future self thank you for not recording the cringe, the person you are filming for probably doesn't want it on there.
Guaranteed to make contact 99% of the time.
Those words make up the majority of everyday speech, and should help you create a nice foundation to expand upon.
For example, if you are invited to a private social event through email, SMS, and intend to go, send an acceptance to the entire group. If you aren't attending, RSVP privately.
Don't feel obligated to fill every silent moment.
It's generally a good indicator of how they'll treat people they feel they have some power or control over.
They can introduce you to other people and it scores you points so you get invited back.