If you have any curiosity about invention at all, patent databases (and in particular patents.google.com) are a treasure trove of other people’s ideas expressed as succinctly as possible with no fluff whatsoever. Good ideas, bad ideas, crazy ideas, crazy-enough-to-work ideas. Find them all!

11m 43s Patented anti wrinkle cream is patented; may or may not prevent wrinkles.

20m 19s When you’re thinking about doing stocks and the money stuff now.

22m 40s Patented dispensing mechanism is patented; may or may not dispense.

23m 4s Automatic lens cleaner is patented.

27m 27s Some sensor thingy for a deadbolt lock on your house is patented.

31m 15s Mark Tobias is big in deadbolts.

37m 47s Urticating hairs are not patented.