Acrobat, PDFs and ISO 32000-1:2008. Tonight's summer solstice this year marks the 25th anniversary of Adobe’s ubiquitous PDF (portable document format). Readers with a few moments to spare may enjoy this briefest history of how Universal Enlightenment (or just the magical document rucksack) came to be, and the part Apple played. Adobe's original introductory video (included) is fun.
Euan Williams 