Abstract: Provided herein is a system and device comprising at least one database module that is configured to monitor a referral count or an opinion agreement count of at least one user of a network. Also provided herein is a method for advertising a product or service to at least one user of a network comprising targeting the product or service to the user using transformed data derived from the activity of the user. Also provided herein is a method for a user of a network to access content and information stored in a different user's database module that is locally stored and/or locally controlled.