8. A computer program product for information sharing, the computer program product comprising: one or more computer-readable storage devices and program instructions stored on at least one of the one or more tangible storage devices, the program instructions comprising: program instructions to receive, by a computer, user created content from a user; program instructions to extract information, comprising one or more types of information, by a computer, from the user created content, wherein at least one type of information is semantic concepts; program instructions to determine, by a computer, one or more messaging platforms on which to share the user created content, based on at least a correlation between: the extracted information; and historical data correlating the extracted information with what messaging platforms the user created content was sent to; program instructions to notify the user of the one or more determined messaging platforms; program instructions to receive a selection from the user of one of the one or more determined messaging platforms; and program instructions to transmit the user created content to the selected messaging platform.
8. A computer program product for information sharing, the computer program product comprising: one or more computer-readable storage devices and program instructions stored on at least one of the one or more tangible storage devices, the program instructions comprising: program instructions to receive, by a computer, user created content from a user; program instructions to extract information, comprising one or more types of information, by a computer, from the user created content, wherein at least one type of information is semantic concepts; program instructions to determine, by a computer, one or more messaging platforms on which to share the user created content, based on at least a correlation between: the extracted information; and historical data correlating the extracted information with what messaging platforms the user created content was sent to; program instructions to notify the user of the one or more determined messaging platforms; program instructions to receive a selection from the user of one of the one or more determined messaging platforms; and program instructions to transmit the user created content to the selected messaging platform. 10. The computer program product of claim 8 , wherein the historical data comprises one or both of: historical data correlating which extracted information the user sent to which messaging platforms; and historical data correlating which extracted information a plurality of users sent to which messaging platforms.