I am studying Apache Kafka (a "distributed streaming platform") and I stubled upon this conclusion: the "disk read fear" a lot of projects have in the past, is a fake.

Paleotronic’s 12 Years of Retro-Christmas Year One: 1980 - Paleotronic Magazine A sticky post for Dicember 2018

Collapsible widgets are a popular way to create sections of content that can contract and expand. There are a ton of different implementations out there. Here, thanks to checkbox input elements, label elements and the :checked pseudo-selector, we’ll be able create such widget without the need for extra JavaScript.

On this Christmas, a lot of us will pay more then $1000 for a new iPhone XY or for a similar Samsung one (twice the price of a netbook) and you will have in your hand a quite powerful machine: for instance iPhone used as Theorem Prover is faster then an Intel Workstation (!)