Microsoft is slowly attempting to wean customers away from software and over to the services side of things. Office 2013 was a small first step, debuting in both Office 2013 and Office 365 Home Premium formats -- purchase and subscription options. Office 365 was previously a web service, and still exists in that form, with enhancements coming at a steady pace. Today this is illustrated with the latest release to the Access web app.
Jeff Conrad announces "it used to be a 3-year wait for new features in Office. However, because we are increasing the speed of our ship cycles, we are proud to announce that as of now, Cascading Controls are available to all of our Access 2013 Office 365 customers". The new update adds cascading controls -- essentially a drop-down list for all of your controls, including project name, company, contact information, data and more.
These new features allow for minute control over all of this information, including displaying those contacts associated with the new value in the Company autocomplete parent control.
This is certainly not an earth-shattering update, but the new features should improve usability and simplify the interface for new customers of the service. You can get detailed information, including step-by-step guides for each feature from Microsoft.