Take a deep look at both Flickr and Twitter's APIs. Follow their model as much as you can. Use JSON and as consistent an interface as you can come up with. Th

Take a deep look at both Flickr and Twitter's APIs. Follow their model as much as you can. Use JSON and as consistent an interface as you can come up with. Think through how you'd rebuild your website using only your APIs. http://apiwiki.twitter.com/ http://apiwiki.twitter.com/ http://www.flickr.com/services/api/ http://www.flickr.com/services/api/