1. TechBarber may have been refering to his memory, eg. to remembering to anticipate and swoop file to/from the designated "offline notebook". My brain also does not have the memory of an elephant ;-)
2. Word of caution regarding storing on SD card on phones, at least based experiences both my girlfriend and I have had.
2a. SD cards can and have failed, blocking or corrupting access to or syncing of content on that card.
2a.1 (On a related note, I'm not a techy, but if EN was syncing to an SD card when you have online acces and that card blows-up, might that corrupt