Paul Miller of Bethnal Green Ventures has invested £385,000 in supporting early stage social and technology ventures. This has led to £1.3 million in follow on investment for ventures like GoodGym, Open Utility, Flooting, Andiamo, and eBart. The document provides advice for supporting ventures, including being generous, honest, explaining terms clearly, taking risks, learning through doing, being ambitious and open, and looking after people.