Google+ has this nifty little feature called Hangout in which multiple people can video call, watch Youtube, and play games together. It's already serving as such a useful and efficient tool for group meetings when people are out of town for the summer.

Skype and other platforms have included 1-on-1 video calls for a while now. But we still can't talk or video chat with people on the ground when we're up in the sky on an airplane. Or well, we can video chat through the internet like on Skype, ...

Who decided that red means stop and that green means go? If you're colorblind, you wouldn't be able to determine either one, so using those colors would seem relatively useless. What would you do if a traffic light was purple, orange, and turquoise, or some other colors that partially colorblind people can see? How confused would you be if you came to a stop sign like this?

Why are doorknobs round?? Or really, why are there still doorknobs that are round? They're just so inconvenient!

If you've just put lotion on your hands, your hands will be sliding all over the knob, making it greasy and even harder to turn. You might become trapped in the room you're in until your hands dry up some or you find a more resistant cloth to turn the knob with.

Or, if you can't use your hands for some reason, like if you're carrying a big, heavy box, you have to deal with the hassle...

If no two thumbprints are exactly alike, then is it possible to ditch the paper forms of IDs like your drivers license or passport and just use machines that scan your thumbprint or full hand?

What about holding your credit card information all on your thumbprint? If you wanted to buy something off Amazon, all you'd need to do is hold your thumb down on the keypad of your laptop in order to download your credit card information and verify your identification.

The police would easily download yo...