User-maintained contact information data system

A method to maintain contact information published by a contact information computer system associated with a plurality of users, the method comprising:

• receiving contact information of a first entity of a plurality of entities, wherein the contact information was received from a first user of the plurality of users;
• publishing, by a processor, the contact information to the plurality of users;
• providing, by the processor, a first reward to the first user of the plurality of users;
• receiving, from a second user of the plurality of users, validity information relating to the contact information;
• determining, by the processor, an information type of the validity information, the information type consisting of at least one of:
• challenging validity of the contact information,
• updating the contact information, or
• confirming the validity of the contact information;
• determining, by the processor, a second reward of a predetermined value based on the validity information;
• providing a second reward, by the processor, to the second user in response to the receiving of the validity information relating to the contact information;
• modifying, by the processor, a total stored value for the second user with the value of the second reward;
• and
• taking an action, by the processor, on the total stored value, wherein the action comprises redeeming, selling, purchasing, transferring, or exchanging at least a portion of the total stored value.

A non-transitory machine readable medium storing a set of instructions that, when executed by one or more processors of a machine, cause the machine to perform operations comprising:

• receiving contact information of a first entity at the system, wherein the contact information was received from a first user of a plurality of users of a contact information computer system;
• publishing, via a communications network, the contact information to the plurality of users;
• providing, by the one or more processors, a first reward to the first user of the plurality of users;
• receiving, from a second user of the plurality of users, validity information relating to the contact information;
• determining, by the one or more processors, an information type of the validity information, the information type consisting of at least one of:
• challenging validity of the contact information,
• updating the contact information, or
• confirming the validity of the contact information;
• determining, by the one or more processors, the amount of the second reward according to a predetermined value based on the validity information;
• providing a second reward to the second user in response to the receiving of the validity information relating of the contact information;
• modifying, by the one or more processors, a total stored value for the second user with the value of the second reward;
• and
• taking an action, by the one or more processors, on the total stored value, wherein the action comprises redeeming, selling, purchasing, transferring, or exchanging at least a portion of the total stored value.