How about a device that you sit on in the water and spin from side to side while moving up and down like a Pogo stick. It would be for fun and exercise... using the water's resistance. How about a window in your house that works like a Kaleidoscope! It could any size from a peep hole in a door to a porthole size and when you spin it you get to see beautiful images. Maybe the sun would even reflect it onto a wall. Let's face it... when you shop at Amazon they want you to buy what they want you to buy. How about the ability to make your own store! Then when you shop you can look at only the things you want. It could be a browser extension. When you see something... Can you believe that there is NO commercial ready-made frosting that is peanut butter flavored. It seems impossible but it is true! Believe it or Not! WE NEED IT... NOW for cookies and cakes and to spread on toast and bagels and to eat right out of the... I love Little Debbie Nutty Bars but I wish someone would make a peanut butter/banana wafer snack. We have 3D printers. Now we need a 3D color painter. For example: once a 3D form is printed of someone's head it can be 3D painted on the outside to look just like a printed photo... only in 3D! How about a site devoted to infomercials. That way the moment I see an informercial I can go to a one-stop site. It could have reviews similar to Amazon for every product. It could tell you what's hot and what's not. It could show you similar products... I went on a real luge ride in Muskegon Michigan. It was exciting... but expensive and dangerous. Seems like it would be easy to make a Virtual Reality Luge ride where you lay/sit in a simulation luge sled that is controlled by motors and watch a full 360... I love sharing ideas but I know there are legitimate reasons that some do not. What are some of the reasons for not posting an idea in our community.