Now Playing: 8-2-13 Marketplace Tech: Silicon Valley and the government

The Edward Snowden affair has shined a spotlight on the relationship between Silicon Valley and the federal government. For decades that relationship has been beneficial to both parties, leading to innovation in both the public and private sectors. But these days, things are getting pretty complicated. And activist investor Carl Icahn has sued Dell and its board to force a shareholder vote by today. Icahn wants that vote to fail.