IDV uses Twitter's throttled stream over time to get a general sense of overall global tweeting density, which we then dice up into boxes of roughly equal tweet volume (the Fischer method). Using these equi-tweet boxes as a polygon baseline normalizes for the really uneven distribution of humans (and therefore tweets) over the globe. Then, a thematic shading of these boxes based on the prevalence of any keyword within can then give us a visual sense of the relative proportion of a phenomena, geographically distributed. In this case we used social media data to gauge the buzz about other social media. We took a look at the proportion of tweets that included "facebook" or "fb" on the day of the Facebook IPO and painted the boxes accordingly. We were surprised by some of the areas and not surprised by others. What do you think?
I think asking Twitter about Facebook is like asking a proctologist what he thinks about petroleum jelly - he probably has a valid opinion but frankly I don't want to hear it.
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