What's your policy on database updates? I ask, as the map on your home page is missing some updates that I made to my local area about 6 months ago. As an asi

What's your policy on database updates? I ask, as the map on your home page is missing some updates that I made to my local area about 6 months ago. As an aside, are you are of any method for distributing changes to the OSM database as they occur? Failing a live stream, something like an hourly torrent?