Andreessen is a fierce believer in the impact of this wave of software-driven sensor startups. His core thesis is that over the next 20 years every physical item will have a chip implanted in it. "The end state is fairly obvious - every light, every doorknob will be connected to the internet. Just like with the web itself, there will be thousands of of use cases - energy efficiency, food safety, major problems that aren't as obvious as smartwatches and wearables," he says.