Methods and apparatus to monitor impressions of social media messages

A tangible computer readable storage medium comprising instructions that, when executed, cause a machine to at least:

• receive a first request for first media, the first request addressed to a first uniform resource locator, and the first request corresponding to a first social media message to be presented with the first media;
• receive a second request for the first media, the second request addressed to a second uniform resource locator different from the first uniform resource locator, and the second request corresponding to a second social media message to be presented with the first media;
• credit the first social media message with a first impression based on the first request being addressed to the first uniform resource locator;
• and
• credit the second social media message with a second impression based on the second request being addressed to the second uniform resource locator.

A method to log impressions of social media messages comprising:

• generating at a server a first uniform resource locator associated with a first media to present with a first social media message;
• generating at the server a second uniform resource locator associated with the first media to present with a second social media message;
• providing the first uniform resource locator for sending in the first social media message by a first message sender;
• providing the second uniform resource locator for sending the second social media message by a second message sender;
• receiving at the server a first request for the first media, the first request addressed to the first uniform resource locator;
• receiving at the server a second request for the first media, the second request addressed to the second uniform resource locator;
• crediting the first social media message with a first impression based on the first request being addressed to the first uniform resource locator;
• and
• crediting the second social media message with a second impression based on the second request being addressed to the second uniform resource locator.