That article goes beyond its title and speaks to effective practice and not allowing yourself to drift into 'mindless' practice, something I've been guilty of on occasion. There's a lot of good stuff in this blog...
"It takes a lot of devotion and work, or maybe I should say play, because if you love it, that's what it amounts to. I haven't found any shortcuts, and I've been looking for a long time."
-- Chet Atkins
-- Chet Atkins