[MartinCron]

Once you've saturated the local businesses market, you can also sell this to narcissists.

[alan_cx]

I assume you are being a bit naughty there, and your comment did raise a smile, but I do think people would buy them. I mean, lets face it, deep down, don't we all have varying degrees of narcissism?

[DASD]

For those who are charisma blind, something portable like a Bluetooth lapel pin that dynamically displays Klout score/Twitter followers.

[moron4hire]

That would be brilliant. Insta-filter for avoiding people!