Source: How to be a modern… by Jeffrey Leek [Leanpub PDF/iPad/Kindle]
This book looks very useful for PhD students and also to some extent for more experienced researchers willing to get up-to-speed with the use of modern communication tools and on-line media and forums.
It covers a lot of subjects concisely and is very up-to-date. It is an easy read but full of useful information and ideas.
The e-book has a suggested price, but you can chose to get it for free or pay less if you are on a tight budget. Payment is fully voluntary, so you can also pay more than the suggested price if you want to support the author.
The NIH (USA, National Institutes of Health) has opened a new web site on the subject, which although focused on Biomedical research, provides a good account of current trends and problems, how to overcome them and guidelines that could be easily adapted for the rest of the Biosciences including Plant Science.