Abstract: A method for identification of influencer social network marketing effectiveness includes: storing social network profiles, each including a profile identifier and social network connections; receiving an effectiveness request including transaction data for electronic commerce transactions, each including identifying information and a transaction time; receiving data associated with a promoted social network post including a posting time and a specific profile identifier; identifying, for each transaction, a corresponding social network profile based on a correspondence between the profile identifier and the transaction's identifying information; identifying a specific social network profile that includes the specific profile identifier; determining, for each transaction, if the transaction was influenced by the promoted social network post based on the social network connections in the corresponding profile and the specific social network profile and the transaction time and posting time; and transmitting a

Abstract: A method for identification of unique followers for social network influencers includes: storing social network profiles, each related to a user profile in a social network including a profile identifier and a plurality of follower identifiers; receiving a unique follower analysis request including request data; identifying a plurality of matching social network profiles of the social network profiles based on the request data and, in each of the matching social network profiles, a statistically significant number of follower identifiers of the included plurality of follower identifiers; identifying, for each pair of matching social network profiles, a number of unique followers for each matching social network profile based on the follower identifiers included in the statistically significant number of follower identifiers identified for the respective profile; and transmitting the number of unique followers and profile identifier for each matching social network profile.

Abstract: A method for identification of influencer social network marketing effectiveness includes: storing social network profiles, each including a profile identifier and social network connections; receiving an effectiveness request including transaction data for electronic commerce transactions, each including identifying information and a transaction time; receiving data associated with a promoted social network post including a posting time and a specific profile identifier; identifying, for each transaction, a corresponding social network profile based on a correspondence between the profile identifier and the transaction's identifying information; identifying a specific social network profile that includes the specific profile identifier; determining, for each transaction, if the transaction was influenced by the promoted social network post based on the social network connections in the corresponding profile and the specific social network profile and the transaction time and posting time; and transmitting a

Abstract: A method for analyzing user data based on social network connections includes: storing a plurality of association profiles, each profile including a name, demographic labels, and, for each demographic label, an associated demographic value; receiving user data related to a user of a social network including a provided name for a plurality of connected users; identifying, for each provided name, a related association profile where the included name corresponds to the respective provided name; aggregating, for each demographic label, the associated demographic value included in each of the identified related association profiles to obtain, for each demographic label, demographic metrics; and storing, in the user database, a user profile, that includes each demographic label and associated one or more demographic metrics.