Take the time when possible, to examine their work and provide them with feedback soon. Make sure that they do the other things necessary when you can not be there to mirror you at the area and their shooting style matches yours. You don't desire your salespeople once your client is used to getting things done a certain way, to be like fish out of water. The willing they are prior to a shoot, the more obvious it'll be to your client that this isn't one of your shooters.
Getting your product or service endorsed by a celebrity or a significant business player can be exceedingly helpful, because the endorser's reputation and fan base could be relied on to drive your video.
But what has not changed is the ability or not to use the medium to tell a story. How you capture the pictures may be constantly evolving - and I do this with a Sony XP1 HDV camera which is just great for video production for my clients - but linking it all together so it is not boring is a skill that just actual video manufacturers know. When to stop the interview grab, when to use music, when to use some graphics, when to use natural sound up pieces - these all translate into a free flowing video production that works for the client and the men and women who'll be watching that video creation.
Zoom in for a medium shot, and repeat anchor the scene in its entirety. A medium shot cuts off in the midsection, and grabs head and the actor's chest.
Write an article about your product and submit it. At the conclusion of your post add a link to your video. Let folk see what you've been writing about.
If you need help figuring out how your movie should be, think of the pop song or music description video. Most of them are not more that. You would emulate music producers as far as video length is concerned, if you would like viewers to watch the whole video. People won't watch a movie that is longer than 4 minutes, believe me. Why? Because there's a storm of video that raging across the internet and folks will want to watch other things.
I do my very best to meet their needs and expectations instead of getting to what I might want them to bend. I know it's not my day but home theirs. I let them tell me exactly what they want. Then I do my best to exceed their expectations.