Inside the elite startup retreat where Satya Nadella and Condoleezza Rice just spent their weekend

Last weekend, many of the tech industry's bigshots gathered in the Santa Cruz mountains to talk startups. 

Venture capital firm Sequoia invited more than 100 startup founders, CEOs, and alumni for what it calls "Base Camp."

During the two day event, founders and CEOs spent their days talking business and their nights sleeping in tents.  

Here's what it's like inside the elite camp for startup founders: