[thesausageking]

The data is apparently from their own employee surveys and includes "a minimum participation standard of two hundred companies but can often grow to include thousands of companies."

Hard to know how much you can trust the results with a small and biased sample like this.

[mattgreg]

One good thing about data from Sequoia is that they handle payroll for a lot of companies. They know exactly what companies are paying each of their employees, so it's a really good data set from that perspective. It's not self-reported by employees, for example.