Awesome Talk by the master of usability Steve Krug the writer of the amazing books Don’t Make Me Think!: A Common Sense Approach to Web Usability and Rocket Surgery Made Easy: The Do-it-yourself Guide to Finding and Fixing Usability Problems.
The least you can do is about the least someone can do even if it’s not a task for you but you may have to do it, Steve Krug tell us what is the least you can do.