Springpad may lack Evernote's commercial clout, but it makes up for it in a number of ways -- not least with free-of-charge features like offline access from its mobile apps (which certain rivals charge for) and Pinterest-style sharing options. The interface hasn't been a particular strong point, but that could be about to change as version 4.0 has just gone live for at least some users of the web interface. The new UI centers everything on three key buttons alon
