Abstract: A global network of systems of personal and business information management comprises a plurality of servers, each server having at least a local database and a local search engine, and a plurality of users' equipment that are accessible to the Internet and thus connectable with at least one of the servers. Each of the databases contains at least some of personal data and information of individuals who are located within a particular geographic area or sign on with a particular server. The servers have at least one uniform search interface one of said servers functions as a master server, and the web card servers communicate with each other through predetermined protocols to connect with the other servers.

Abstract: In a personal information web card system including a server having a database and a search engine, a privacy control system comprises means for storing a set of web card information of each individual user of the web card system; means for determining privacy control levels of the web card information of the individual user as selected by the individual user; means for transmitting, at the registration user's initiation, selected web card information of a particular privacy control level with an authorization code to other users; means for storing a table of authorized names of the other users for each level of privacy control; means for looking through the table of authorized users' names when any of the other users conducts a search; means for generating a corresponding web card of the individual user to the other user once the authorization is confirmed.

Abstract: A system of personal and business web cards comprises at least a server having at least a search engine, at least a database, and a plurality of electronic apparatus being accessible to the Internet and thus connectable with said server through the Internet. The database contains at least personal data and information of individuals who are located within at least one particular geographic area or sign on with an Internet Service Provider (ISP). The database may contain a plurality of sub-databases for a variety of categories of individuals or businesses. Anyone who has an access to the aforesaid server may search any such personal or business information from these databases.