Best new way to make an internal sale
Powerpoint was invented for this precise function, and we all know what's become of that.
Here's a new way that's extraordinarily effective: Make a video.
Take a Flip or cheap video camera and interview your customers. Ask them questions and show the answers to your team. Ji Lee at Google masterminded this man on the street interview:
Invest an hour and suddenly, it's not you who's talking, asking, complaining or being ignorant. It's your customers.