Here are your two Twitter info pdf files .
Jumpstart is a getting started ebook
accelerate is the ‘next step’ Twitter ebook
Mouse click on one or the other – these are links that will take you to the download page. There right click and ‘save as’.
This will download them to your computer. There unRar them and you have a wealth of info on Twitter and its quirks (and quarks) and how to power use.
(One is a zip file, one is a rar file – both can be extrated with WinRAR a free zip program)