For my 'idea document' I've been using Gnote in Linux. Quick and easy to jot stuff down, and just add the ~/.gnote folder to Dropbox or SpiderOak for automatic backups of new and modified notes. Very seamless and effective.

>Also, a boson is a force-carrier particle – like electrons – whereas a fermion is associated with being a matter particle.

I think he got that backwards. An electron is a matter particle and not a force carrier.