Else what's a heaven for?

If you had to express how hard a problem robust, scalable, easy-to-use scheduling is to someone who still chooses to use a Blackberry, how would you do it? An article talking about how many developer hours it took to build a scheduling system would be great. I might even have budget to hire someone if they are credible, like someone who's managed such a project, to come in and use small words to someone with the attention span of a golden retriever, with none of the lovable characteristics, for an hour or two.