Over the past month I’ve been systematically cleaning up my social graph. It took me a while to figure out how I wanted to do this, as I’m a very

I’m deep into writing my latest book. For now, the title is “Startup Communities: Creating A Great Entrepreneurial Ecosystem In Your City.” I’m open to different titles –

James Altucher is brilliant. Everyone on the planet should buy a copy of his new book I Was Blind But Now I See right now. You’ll likely hate some of

My grandfather had a stroke when he was 80. He lived another three years, trapped in his mind. Whenever I saw him, I think he recognized me, but he couldn’t

Many of the companies that we invest in are the leaders in their respective markets. Often they create the market. Sometimes they appear out of no where and dominate. And

On my run yesterday in Central Park, I was thinking about the characteristics of some of my favorite companies. Suddenly a phrase popped into my head about what ties all

Recently my partners and I spent some time discussing three of our recent investments – Spanning, Yesware, and Attachments – which are each applications built on top of Google Apps.

Let’s put this in the category of “pet peeves” around things that are obsolete. One of my goals as a VC is to help create companies that cause obsolescence of existing

I read Jonathan Livingston Seagull for the first time in 1975 when I was about 10 years old. I’ve read it several times over the last 35 years, but probably

If your company is interested in joining Startup Summer, please email me and I’ll get you plugged in. Startup Summer, a new program from Startup Colorado, will bring hard working, passionate col