iPad: an indespensible research tool

..Historical Fiction author Susan Holloway Scott asked: 

OK, Sandra, so now you've had the iPad for a week. Has it totally changed your life, or at least has it been as much fun as Apple promises?

To answer: my iPad has quickly become an essential tool for research. Among other things, I can read and annotate PDF files and e-books on it: notes, highlights, underlined passages. I can send the annotated files to my computer (or just the annotations). These I can then put into a searchable...