Twitter is a social networking and micro-blogging service that allows its users to send and read other users’ updates (known as tweets), which are text-based posts of up to 140 characters in length. Estimates of the number of daily users vary as the company does not release the number of active accounts.
The list of free measurement sites from MeasurementCamp II is on Delicious, using the tags "measurementcamp08" and "snapshot". Please add to the list in [ http://del.icio.us/tag/measurementcamp08 ] and mention in the notes how the sites can be used and what for. If this list is hard to use, tell Ben Bland ( ben@rmmlondon.com ) - he has an online spreadsheet version which he could expand Before you begin measuring : 4 Key Questions to ask your social media measurement provider http://server-uk.imrworldwide.com/pdcimages/NielsenOnline_May_Newsletter08.html