And I do have a bunch of potentially interesting feature ideas: things like "mood" analysis (based on the text, does this person seem upset/angry/happy/etc); ho

And I do have a bunch of potentially interesting feature ideas: things like "mood" analysis (based on the text, does this person seem upset/angry/happy/etc); hooks into custom/proprietary systems (is this person a paying customer for product X); analysis (is volume of email type X higher than usual? Might want to look into it, you may have broke something / made something awesomer).