I like the animation, good points to get my interest. the background was odd, throwing stuff in the air in an empty field? think about that. How about something like a lightbulb over your ipad or something saying doccaster "sharing" or something - with a bunch of lightbulbs over disperse folks in a crowded room?
So you have to have your potential clients load up some app in order to access. Then it is limited by time and range... I guess that is a good thing if it is paid conference materials that you want stricter control over distribution...
So I take it you would have to create some sort of flyer or brochure on how potential clients can setup and sign into doccaster in order for them to access your stuff then? (cue the cute animation of people grabbing your flyer and throwing it in the trashcan) Will it work on my Linux laptop? or my Blackberry? etc. requiring an app will be limiting.
Document presentation/management is a great thing, but I think you have put in a few stumbling blocks to "gotta have it" adoption. I think you would get better results with a web portal where accounts are accessed like www.doccaster.com/mybizdocs which presents a graphical brochure rack to click and choose documents. Distributors could put that address on a card with friendly easy to read type "the Iludium Q35 Space Modulator: www.doccaster.com/q35info" five words and an address (maybe a graphic of it on the back of the card) just enough not to loose the attention of an ADHD executive.
But then again, you don't have the geographic control... but would you via a laptop either?