33. The system according to claim 29 wherein said external data gatherer comprises: a social media importer to import said related information from relevant social media sites; a data feed importer to extract and import said related information from data feeds; an external website importer and analyzer to import and analyze the relevance of said related information from external websites; and a data matcher to match between extracted and analyzed said related information and said content element fields.
33. The system according to claim 29 wherein said external data gatherer comprises: a social media importer to import said related information from relevant social media sites; a data feed importer to extract and import said related information from data feeds; an external website importer and analyzer to import and analyze the relevance of said related information from external websites; and a data matcher to match between extracted and analyzed said related information and said content element fields. 34. The system according to claim 33 also comprising: a document importer to import offline documents relevant to said related information; and a data analyzer to analyze the relevance of said offline documents.