30. A computer implemented method, comprising: a computer identifying a pertinent trend in conversations of a target forum, identifying the pertinent trend comprising: identifying or receiving one or more trends from an external source, determining the pertinent trend from the one or more trends by at least performing a trend filtering process, and determining a meaning of or an issue associated with the pertinent trend by performing a process, determining the meaning of or the issue comprising: performing a lexical analysis on the pertinent trend to convert at least a part of the pertinent trend into a sequence of tokens, performing a syntax analysis on the at least the part of the pertinent trend to analyze the sequence of tokens to determine a syntactic structure of the at least the part of the pertinent trend with respect to a grammar, performing a semantics analysis on the at least the part of the pertinent trend to associate semantic information with the at least the part of the pertinent trend, and performing a context analysis on the at least the part of the pertinent trend to determine one or more specific contexts with which the at least the part of the pertinent trend is associated; the computer identifying or creating one or more content items that match the pertinent trend and a presentation requirement for the one or more content items; and the computer delivering at least some of the one or more content items to the target forum based at least in part upon the presentation requirement.
30. A computer implemented method, comprising: a computer identifying a pertinent trend in conversations of a target forum, identifying the pertinent trend comprising: identifying or receiving one or more trends from an external source, determining the pertinent trend from the one or more trends by at least performing a trend filtering process, and determining a meaning of or an issue associated with the pertinent trend by performing a process, determining the meaning of or the issue comprising: performing a lexical analysis on the pertinent trend to convert at least a part of the pertinent trend into a sequence of tokens, performing a syntax analysis on the at least the part of the pertinent trend to analyze the sequence of tokens to determine a syntactic structure of the at least the part of the pertinent trend with respect to a grammar, performing a semantics analysis on the at least the part of the pertinent trend to associate semantic information with the at least the part of the pertinent trend, and performing a context analysis on the at least the part of the pertinent trend to determine one or more specific contexts with which the at least the part of the pertinent trend is associated; the computer identifying or creating one or more content items that match the pertinent trend and a presentation requirement for the one or more content items; and the computer delivering at least some of the one or more content items to the target forum based at least in part upon the presentation requirement. 31. The computer implemented method of claim 30 , further comprising the computer performing at least one of: identifying or receiving one or more trends from an external source; aggregating additional information or data that are associated with the one or more trends; and determining a meaning or an issue based at least in part upon the additional information or data.