For tech books I prefer the PDF version on a tablet. Search, and clickable links. Taught myself SQL, regex, sed and awk, and a few others that way. Recently fou

For tech books I prefer the PDF version on a tablet. Search, and clickable links. Taught myself SQL, regex, sed and awk, and a few others that way. Recently found out I learn a lot watching demos on YouTube which I dismissed before. I do like a physical book for deep studying though.