QQ99 Those ominous-sounding narrators of drama-laced attack ads repeatedly have been shown to jolt the electorate to action more effectively than positive ads touting a candidate's resume highlights. And often, despite protestations from online privacy advocates that would suggest the opposite, the messages that are most likely to incite action on election day are those that skew negative. Then, having compiled enormous dossiers of negative information about a candidate, special interest groups and political campaigns can tailor the perfectly damning message to be televised to the appropriate audience. The status updates and tweets and online purchases that person made tipped off a campaign that he or she would be interested in their message.|Few Days before its Official Launch