That's a major mistake. You may have learned in school to make notes on 3x5 cards and shuffle through them while you speak. Unfortunately, this techniques marks you as an amateur in the professional world. Use whatever visual aids you're employing for the audience instead - a bulleted list on an overhead transparency or PowerPoint presentation will remind you of the order of your topics. To get your audience's attention, customize your presentations by creating a new graphic or importing a new image as part of your template.
Speakers are often unaware of their own movements when they are speaking.
Often, this means that their hands are in their pockets, jingling coins and keys. They don't notice it themselves, but the audience may find it very distracting. I was once near the back of a large room during a conference. I kept hearing a noise that sounding like the air conditioning system was rattling. Everyone was looking around to see where the noise was coming from.