Apparently, this user prefers to keep an air of mystery about them.
6 Cut single page PDF document in half (vertically) from command line on a Windows machine? Sep 28 '13
4 How to format two column OCR PDF into one column Nov 9 '12
2 How to divide an audio file using a list of times? Oct 16 '13
2 Convert pdf presentation to video? Nov 2 '13
1 K2PDFOPT and highlights in Kindle Paperwhite Oct 20 '13
1 Spliting up a single pdf page Sep 30 '13