Steve Yegge over in his Google+ feed has a post I just found about his experience presenting to Jeff Bezos. His description of the experience and his approach was great. The entire post is interesting but my favorite part is the second to last paragraph.
You have to understand: most people were scared around Bezos because they were waaaay too worried about trying to keep their jobs. People in high-level positions sometimes have a little too much personal self-esteem invested in their success. Can you imagine how annoying it must be for him to be around timid people all day long? But me — well, I thought I was going to get fired every single day. So fuck timid. Might as well aim high and go out in a ball of flame.
We all have seen the timid presentation, that’s why I like the last lines so very much (my emphasis added). Read the whole post you will enjoy it.