Jaiku: Twitter Wannabe? Twitter Killer? Or Something Else?

Want to express yourself in 140 characters or less? There are at least two well-known web services that let you do just that. I mentioned Twitter a while back. Now, I'm trying out...

Jaiku

Jaiku has a few more features like the ability to add other RSS feeds (including Twitter) to your stream. But, I think Twitter is easier to read with its slightly larger font. I find this whole co-presence idea interesting. It really does play into the notion that in an Attention Economy privacy is being defined as openness.