Businessman Quotes and aphorisms about tumblr Gary Vaynerchuk ,, I think what's happening for me, it's fun to see other things besides Facebook and Twitter take hol... Roelof Botha Matt Mullenweg ,, The relationship between WordPress and Tumblr has always been pretty friendly: Tumblr's own blog us... Marco Arment David Karp Fred Wilson Gary Vaynerchuk