I'm probably the only person in the world who doesn't have and doesn't want a smart phone, so if I'm on the OB, it's from my desktop or my laptop, 99 percent desktop because that's the one that's usually in front of me.
I work from home and I really don't have to answer to anyone for how I spend my time (except my dogs), so it's easy for me to take several breaks from work during the day and check out the OB or a couple other unrelated hobby forums I belong to. I do have due dates for my work, though, so I try to have at least a little bit of self-discipline.
With winter here now, I will probably be around more than I have been lately. I spend most of my time reading and learning, often I will like someone else's post or comment in a thread, but I haven't started too many threads of my own. I would if I felt I needed to, but I usually get my questions answered just by reading other threads.