We know that you're a busy man, Piotr, and most of us realize that you are also a very AMBITIOUS man. So, of course, we forgive you if you happen to be out of touch every now and then.
It seems like your trip to Switzerland was promising, maybe even fruitful.
As for explaining STEEM POWER (SP) and the concept of POWERING UP, not to mention the DELEGATION of SP, that might be a bit difficult at times. Even after I joined Steemit, it took me several months before I understood those various points.
So, I'd say that, whenever you have to explain them to a newbie, the best one can do is to make some simple analogies to clarify them in user-friendly terms, and to add that the newbies will come to understand more once they join the platform.