Benfits: Shit gets done that you ultimately wouldn't have done for days...Side Effects: Straight Up Procrastination (SUP) because you have run out of things to do and have reduced your efficiency by broadcasting your actions which may lead to messing things up just to fix them and being uncharacteristically kind to strangers and people you despise for the sake of staying productive.
Max: Nah, man he's Productively Procrastinating again. Alex told me he's been volunteering at the homeless shelter for the last 12 hours.
Casey: Haha, that's just like him. Remember last time he crashed his car just so he could repair it. Ahh well, every now and then Productive Procrastination gets to us all.
In other words, you are procrastinating by doing work while doing virtually no work.
Girl: I have just spent the last hour making my math homework look pretty and neat instead of doing my English homework.
Boy: Wow, at least you're working on something.
Girl: That's productive procrastination for ya.