When I was a kid, I used to watch the Amish community get together for barn raisings.
The day before the raising, all the materials were delivered to the site. The next day everyone in the community showed up in the morning, and started work on the barn. By the end of the day, the farmer had a barn.
What if a group of authors did the same for new books? Maybe we get five, seven or more volunteers together for two hours to do a digital "barn raising" for new books. If you participate, that means the others in the group will do the same for you some day in the future.
We might shoot a dozen short videos, write a dozen Amazon reviews, write twenty 130 word blog posts (to use in future), a bunch of tweets and facebook entries. By the end of the day the book would be launched.
The corporate world just did this kind of thing successfully with the Old Spice commercials. Here's an explanation of how it worked for them: