From the book

• Reference list for online contents
• Content updates
  • Hi-Q vs Linkedin
  • robots.txt
  • youtube-dl
• Preservation copies of online materials
• Errata
  • Missing command [c4.05]
  • Pages 209-218
  • Page 227
  • Pages 229-233
  • Pages 233-235
  • Page 236
  • Pages 255-262
  • Page 291
  • Page 321
• Copy-pasting code from the PDF version of the book