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50 Invention Ideas for Startups This book is meant for the inventor who is passionate about making big money and a fame for himself. From Agriculture to Pets, from Household Utilities to Workplaces, this book covers 50 possible inventions that are yet to rock the world. Some of the ideas seem to be funny but very interesting and feasible to be done, other are serious and are equally doable too. Besides purchasing this little book. The enti...