Photo taken at a performance by the Great Royal Circus in Kochi, India, on September 4, 2010. The acrobat is holding on to the bar with his teeth! Recently, I was asked by a client to edit (mark up or annotate; although these terms are often used interchangeably, there is a distinction which will be made clear a little later) a PDF document, and it looked as though many more such jobs would be assigned to me in the future. In the distant past, I had edited PDFs regularly, bec
