A post in the Access blog on the new thing, Web Services. Click here to link
My notes: When thinking of moving your Access database to the web, think like this. Porting existing rich Access databases to the web will be tricky. Think about which part of your Access database needs to be on the web. Then consider the Access web services as an easy way to learn web programming compared to learning ASP.net or PHP from scratch. Then write your smaller Access app from first principles using all the available Access templates for examples.