The Perils of Presenting

Not being prepared.
Misreading the audience. (no matter how large or small)
Lack of eye contact.
Lack of enthusiasm.
Not delivering with dynamic.
Not dealing with questions.
Not asking well crafted questions.
Poorly planned visual aids.
Distracting use of language.
Too basic a presentation.
Information overload.
Turning your back on your audience.
Failure to practice and prepare.
Poor Pacing.
Lack of conclusion or next step.
Running over allotted time.