Apple Retail stores have a bevy of workshops for apple product owners to attend. I've signed up for an event next weekend for the new iphone I recently purchased. It was the earliest I could get in. Has anyone ever "crashed" an event that was already full, lol. An employee said they limit each workshop to 10 attendees. I'm wondering if I could sneak in if one or more of their rsvp's is a no-show.