Web Services mit YQL
Christian Heilmann erklärt – mal wieder 
– YQL und geht dabei auf einige nette Sachen wie executable block inside open tables ein.
Combining open systems like YQL and Google Docs, and some knowledge of XML and JavaScript, you can offer a web service to people in a matter of minutes. In any case, moving your development from accessing local files and databases to accessing services makes it much more versatile and allows you to switch providers any time in the future. With YQL, you can dip your toes into the water of web services without drowning as most of the tough work has already been done for you.