REALTIME DATABASE ARCHITECTURE

A method and apparatus is disclosed herein for automatically supplying data items to a client. In one embodiment, the method comprises determining, from among a plurality of data items displayable by a client, one or more relevant data items to be supplied to the client, the plurality of data items displayable by a client located in a first database corresponding to a tracked user's interactions with a website. The one or more relevant data items are then automatically supplied to the client. The method also includes storing a copy of the supplied one or more relevant data items in a second database.