There's a certain joy that comes from building an extraordinary thing out of ordinary pieces.

Anyone who ever has chained together command line applications into a workflow will know this special kind of joy.

There are a lot of patterns from 15+ years ago that I wish people would rediscover the joy of:

Yahoo Pipes

Folksonomies

RSS

Composable, single-purpose command line applications

Anything Clay Shirky ever thought was cool :-D