The Unilever Foundry has launched a new project titled ReHack 2015 designed to fuel innovation in sustainable ecommerce. UK-based tech companies and start-ups, digital agencies, retailers and brand owners are invited to participate in the ReHack 2015 to compete to develop technologies that can make ecommerce a force for good. Launched in partnership with Hoxton Mix Collective, which matches startups and small businesses with corporate leaders, the ReHack 2015 event will be held over 25 and 26 of June in east London.