Microsoft has their own tagging service called Microsoft Tag. At first glance, it looks just like any other QR code reader/creator. But on this page, it seems as if it has much greater “out-of-focus” scanning. This has been my problem thus far with QR codes. No two camera phones are alike, and each seems to take photos at different qualities. I would end up with a blurry, grainy photo that wouldn’t scan. This may solve that.
A couple potential issues:

Looks like it has to be in color. What infrastructure changes would …

Twitter…hmmm…who hasn’t heard of this thing? People have heard of it, but haven’t used it – much less could explain what in the world it is. I use it. But why? Honestly, I wanted to post to my Facebook account. This kinda did both, and I thought, hey why not post to Twitter too while I’m at it. And so it began. Now I’m on it all the time. I use TweetDeck to do most of my desktop posting, and Tweetie to post from my iPhone.
I’m even getting in the …