“Eschew a line of study in which the work done dies together with the worker.” [Footnote: “Fuggi quello studio del quale la resultante opera more insieme coll’ operante d’essa” – Leonardo da Vinci, in The Literary Works of Leonardo da Vinci, compiled and edited from the original MSS. by J. P. Richter, 2nd ed. (Oxford 1939, University Press, 2 vols.), vol. ii, p. 244, No. 1169.]
So don’t blog. There are no defences against the whims of providers and obsolescence of software.
A Study of History, Vol X, OUP, 1954