Found this, couldn't stop laughing...
"Show of hands...How many of you use Internet Explorer?". Probably 99 times out of 100 when he asks that question all the hands go up, right? Well first there was a pause and then a giggle and then a whoop of laughter as the audience looked around and realized that NO ONE had raised a hand. The presenter was thrown off his mark, but he recovered and said, "Wow! Okay how many of you wish we'd fix IE so you could use it?"Still no hands....
Update: actual number is about 15% for IE usage, still very low and laughable...