VALIDATION OF DATA FOR TARGETING USERS ACROSS MULTIPLE COMMUNICATION DEVICES ACCESSED BY THE SAME USER

1 . A system for validating user identifications, the system comprising one or more computers having computer readable mediums having stored thereon instructions which, when executed by one or more processors of the one or more computers, causes the system to perform the steps of:

(a) receiving at a data management platform a plurality of first user identifications associated with a first communication device accessed by a first user, wherein the data management platform includes data relating to the first user;

(b) receiving at the data management platform a plurality of second user identifications associated with a second communication device accessed by a second user; and

(c) determining at the data management platform via a predetermined number of the plurality of receipts of the first and second user identifications that the first user accessing the first communication device is the second user accessing the second communication device.

2 . The system of claim 1 , wherein the first or second user identification is received from:

(a) a carrier providing service to the first and second communication devices;

(b) a webpage publisher;

(c) an application provider;

(d) a user log-in; or

(e) a third party.

3 . The system of claim 1 , wherein the first or second user identification is at least:

(a) a hashed email address;

(b) a log-in;

(c) a username;

(d) a data provider identification;

(e) a matchkey;

(f) a carrier identification; or

(g) an Internet protocol.

4 . The system of claim 1 , wherein the system is further configured to perform the step of transmitting an advertising content to the second communication device, wherein selection of the advertising content is based at least on a relevancy thereof to the plurality of first user identifications.

5 . The system of claim 4 , wherein the relevancy is further based on a user characteristic datum associated with the user.

6 . They system of claim 5 , wherein the user characteristic datum is selected from the list consisting of:

(a) age, age-range, or birthdate;

(b) gender;

(c) race;

(d) religion;

(e) marital status;

(f) area code of the phone number assigned to one of the first and second communication devices;

(g) zip code;

(h) home address;

(i) work address;

(j) billing address;

(k) type of credit card used to pay a carrier providing service to the communication device;

(l) birthplace;

(m) employer;

(n) employment position;

(o) income bracket of the user;

(p) model of one of the first and second communication devices; and

(q) operating system of one of the first and second communication devices.

7 . The system of claim 5 , wherein the user characteristic datum is selected from the list consisting of:

(a) payment and billing history associated with the user;

(b) the duration of online interactions by the user via one of the first and second communication devices;

(c) the number of online interactions by the user via one of the first and second communication devices;

(d) usage patterns of the one of the first and second communication devices dependent on location or time of day use thereof;

(e) type of content accessed by the user via one of the first and second communication devices;

(f) previous search queries entered by the user via one of the first and second communication devices;

(g) shopping habits associated with the users;

(h) videos, music, or audio listened to or downloaded by the user via one of the first and second communication devices;

(i) previous geographies associated with the user; and

(j) webpages visited or applications used by the user via one of the first and second communication devices.

8 . The system of claim 7 , wherein the shopping habits are one or more of:

(a) products viewed or purchased on one of the first and second communication devices;

(b) purchase amounts of the products purchased on one of the first and second communication devices;

(c) purchase dates of the products purchased on one of the first and second communication devices; and

(d) elapsed time between a product viewing and a product purchase on one of the first and second communication devices.

9 . The system of claim 1 , wherein the first and second communication devices are one of:

(a) a cellular phone;

(b) a tablet;

(c) a portable media player;

(d) a laptop or notebook computer;

(e) television;

(f) a cable box; and

(g) a personal computer.