Unfortunately, people only touch their presentation software about 14 times a year on average, whereas they touch their e-mail software 14 times a day. Beyond that, it's mostly a matter of practicing and getting comfortable with the technology. You have to get comfortable enough with the technology to be able to forget about it. It's like learning how to drive a car. Pretty soon it's second nature.
Computers are no different.
There's no doubt that we're becoming a more visual society. People under 40 are almost totally visual creatures. Younger people think differently and are moved by different things. It's neither good nor bad, but if we want to reach them, we have to design our message in a way that will connect with them. Twenty years ago, people used think it was unprofessional to express their feelings, use personal anecdotes or share their opinions.