For every new feature we add, we take an old one out. A lot of big sites don't do that, and it's a problem.

I've found that if you're not responsive to e-mail, it trains people to leave you alone.

People tell me I need an assistant, but I dont want one.

The biggest lesson has been the importance of constantly repeating the mission. It means bringing the team together every week to talk about all of our projects, progress, and vision.

I'm always so surprised when people fill their homes up with stuff.

Tumblr was simply a tool for anyone to make a blog like mine.

Tumblr gets better faster with more resources to draw from.