Pinky promises... Memories of childhood friendships and giggles come to mind. Pinky promises aren't something that people do too often at this age (ripe old age of 23) but it does happen periodically.
The significance of the pinky promise is this: It is a promise so deeply meant, that both parties agree to it prior to the pinky shake, and that it cannot be nullified by crossed fingers and cannot be broken. Initially, the intention was that if one party broke the promise, they would get their pinky finger cut off, as a repercussion. Society nowadays, as a whole, is not so violent. But one who breaks a pinky swear is regarded as a shameful person, in general.
I can't remember the last time I made a pinky promise. Lame, I know. I lost most of my short term memory some years ago, and as a result can't remember most of my elementary school days. It sucks, sometimes. But maybe it's a good thing. Means more space for memories of what's happening now.
Anyways, since I can't remember, I can't really tweet. I just really want to impress the importance of a pinky swear. I truly believe that a pinky swear is for real, and if you really mean it, then do it. Promises shouldn't need a pinky swear to be held true, just stay true to your word. Everything else will fall into place.
Honesty and fidelity, always,