So I bought this thing several weeks ago and I've developed a bit of an obsession. At first it took me 20 minutes to solve, then 10, 8, 5, 3 and now I'm doing it between 1:30 to 2 minutes. I'm using the easy method that comes in the packaging. I might be near the point where I'll have to switch to something more complex if I want to get much faster ( Read more... )