Forgiving the possibility of alternate spellings I'm unaware of (e.g., "color" vs. "colour"), and despite the fact that I wish I had more to contribute, I would like to file a:

Pedantic Typo Report

The Future of Web Startups, Section 2. Standardization.

"In essense, let the market design the product."

"essense" vs. "essence"

That is all.