[huertanix]

From what I understand, Tumblr is an extremely small company. Your local Denny's has more people on payroll. NYC is running out of top-notch developers (thus why Bloomberg goes out of his way to tell people from other cities to move to his). Finding and hiring people who fit your company and managing them is a time-consuming process if you want to do it right. Nothing about what they're doing or will have to do is easy. Ultimately, they need to find people who have experience with scaling massive apps, which means headhunting at Google and Facebook. Not saying they shouldn't fix the problem, but I can understand the frustration their team is experiencing.