Email chaining which worked according to 'broken telepone' principle. That means, in a class of n students email was initiated and sent to first student in line (alphabetical order). Later, with personal reply from that student attached, the turn (or 'email') was forwarded to next student, and thus all the way to end of the list. My reaction is being published, while it is a must to include ones i was referring to.

And this is in reply to:

PhilipMorris brands collected by Ofer Lehr. Second work style seems to remain unrecognized, and therefore i claim it unidentified.