Speakers who aren't (good at speaking)

Listening to a technical person ramble on during a presentation that
lasts more than an hour is like being stuck in traffic!!!

If you ever need to give a public presentation, it is better to
overprepare the presentation part than to simply depend on your
understanding of the subject. You understanding your topic does not
equal your ability to transfer that knowledge in a way that makes sense.

- Steve
(Sent from my iPhone)