A world of opportunity & stupidity

It sometimes amazes me how people can make money by doing some of the things they do. Its like no thought goes into them. Or is it me?
Consider the following example. Its an online sho store http://www.zappos.com. Well your first impression might be 'great idea'! But then you think....'but how can I be sure about my size'. Whenever I buy shoes I have to try on about 3 pairs to find the right size, but without assistance, on this site I can buy shoes just by guessing. On that issue the website owners offer this solution in their FAQs (www.zappos.com/faq.zhtml#19):

Q: How do I know my shoe size?If you are unsure of your shoe size, you can measure your shoe size. Because the foot is three-dimensional, any two-dimensional measuring tool, such as a ruler or Brannock device®, can only approximate your true shoe size. Please also keep in mind that manufacturers use different lasts to construct their shoes, and sizing may vary accordingly.

That reads more like a disclaimer than a solution to me. Now alls not lot. I guess people could go down the road to their local shoe store and try on a pair of shoes, get the right sizing, and then go online to actually buy thm. But the problem is....the price online is 'full price'. These things are often made in China for $6, but they are going to sell them online to you for $120 and you have to carry the risk and confront a delay. Nope, not a model that works for me....but maybe there are shoe types that fit all sizes, maybe they dont need to carry inventories so why not place an advert up, maybe you will be waiting 2 weeks for them. Maybe there are people out there who never have a 'size problem'? hmmm...maybe its me?
Maybe this idea suits a person from the 'boonsticks' who has no shopping mall so has no choice. But I dont think they have internet or a place to wear nice shoes.

My thinking is that there is so much money floating around out there, and there are just so many idiots out there with bad ideas, God! What am I doing! If these guys can do it with a bad idea, I have to get one of my 'much better ideas' rolling. Thus, I'll have to lower my standards.

Anyway my intent is to offer some of my ideas - the 'less brilliant ones' here for those who are interested. If you use them, please make your first act of kindness to give me a 3% royalty for my trouble, and name your first child 'sheldon' to honor my contribution. I might even be willing to participate in your business. So this is a search for partners.

On the idea of shoes I think there needs to be a way of measuring the 3-dimensional shape of the foot by manufacturers and consumers. Until that is achieved I can't see this idea taking off. Mind you I think such an idea is not too far off. Maybe there is a market for a kiosk in the shopping mall where you get measurements to buy online or in-store. Of course there might be an internet presence that allows you to search for what you want....then the 'shoe idea will have legs'. LOL