I think the learning curve is a huge challenge but there are ways to position yourself to learn from others as well as trying things in L4 and figuring out for yourself. Daily, I read through most of the posts and learn about how to use features in L4 from the growing number of early "power users" that are emerging with tips and tricks. And there is a lot of knowledge being shared about computer issues, too. Plenty of reading and viewing material already exists:
There is the Wiki. http://wiki.logos.com/
There is FAQ. http://wiki.logos.com/FAQ
And there are training videos. http://www.logos.com/videos