4. The method of claim 1 , wherein the social network input dictionary is a centralized social network input dictionary, and wherein the method further comprises: distributing an update of local versions of the social network input dictionary to data processing devices associated with the plurality of members of the digital social network based on the current state of the centralized social network input dictionary at the time of the update, each data processing device associated with the plurality of members having its own local version of the social network input dictionary.
4. The method of claim 1 , wherein the social network input dictionary is a centralized social network input dictionary, and wherein the method further comprises: distributing an update of local versions of the social network input dictionary to data processing devices associated with the plurality of members of the digital social network based on the current state of the centralized social network input dictionary at the time of the update, each data processing device associated with the plurality of members having its own local version of the social network input dictionary. 5. The method of claim 4 , wherein the update of the local versions of the social network input dictionary is distributed either periodically or in response to a change in the centralized social network input dictionary.