The Dalrymple thing doesn't surprise me--once Gruber left, he filled that role of communicating with ardent Apple fans. As for Tumblr, Marco was also a co-foun

The Dalrymple thing doesn't surprise me--once Gruber left, he filled that role of communicating with ardent Apple fans. As for Tumblr, Marco was also a co-founder! I think he has much more to say about businesses than Gruber, who often analyzes businesses by comparing them to Apple.