40 Cool Inventions. Absolutely Genius Ideas - StumbleUpon. Data-original="images/genius/29.jpg" class="lazy image"/> data-original="images/genius/75.jpg" class="lazy image"/> 31 Insanely Easy And Clever DIY Projects. 16 Gadgets That Will Make You Say...."Shit, I Thought Of That" | College Poison. Simple Ideas That are Awesome | DPS SHOW. Gadgets That Will Make You Say "Shit, I Thought Of That"