Treswell Wood - Information To Tell Every Recorder - the original twitter. 
     

     We produce five of these newsletters a year, one at the end of each 10-week standard site cycles. Originally we envisaged most would use a double-sided A4 sheet with the year-end issue being double that length. In recent years we have, only rarely, managed to have as few as four sides in any issue. At first all issues were printed but now they appear as PDF documents and only a handful of people receive a printed copy.
Twitter contains summaries of events (capture totals, territory numbers etc.) various items of interest, descriptions of recent particularly interesting captures.