. >> tristan pollock saw on opportunity to start a business using the sharing economy every time he walked by an empty retail store. >> we saw one in stores tanking in the u.s. >> his idea called the storefront is a simple platform that connects entrepreneurs with short-term retail space. the site has tons of photos, and clear pricing for utilizing locations that would otherwise be empty. >> i always explain storefront as storefront is a marketplace for artists, designers, and brands to get into short-term retail spaces. because, historically, you are looking at five to ten-year leases, maybe even 20 years, and so being able to rent something from one to two three days, or a couple weeks, or a couple months, makes a huge difference in how you can strategically plan to grow your business. >> so, what's the opportunity for entrepreneurs? to turn waste or unutilized assets into cash by sharing. ahead was the curve was craigslist, zipcard, netflix and ebay. but the rise of the mobile phone in social media has added a level of complexity and opportunity to the equation. >> what was okay before