"All are taken from my new book Ubuntu Kung Fu, which contains
over 300 other tips on the topic of productivity, security,
performance, image editing, the command-line, hardware, and much
more.
"1. Instantly Search Google for Any Word or Phrase
"Have you ever been reading a document and wanted to look up
something in Google? In Firefox you can just highlight the word or
phrase, right-click it, and select Search Google. However, what if
you’re reading, say, a PDF file? Or a man page in a terminal
window?
"A very simple but effective solution is Googlizer, which you
can install using Synaptic. "