I recently had cause to consider the use of video to make wills. Whilst the format has its advantages (such as showing an watch instead of trying to describe that particular one amongst 25), it also throws up a set of new issues which would have to be resolved. One of the arguments against the current paper system (though there are a wide array of other materials to write on nowadays) was paper's fragility and how easily it could be destroyed. It just so happens that a couple of days ago I was clearing out a cabinet and came across a deed from 1727. Handwritten (obviously), it was as clear as the day it was written.