Fair enough. If it's for potential customers, then it's probably better to make the email part optional? - IMHO, a deck consists of slides(s) so a slide deck =

Fair enough. If it's for potential customers, then it's probably better to make the email part optional? - IMHO, a deck consists of slides(s) so a slide deck = set of slides. So using just 67 "slide decks" would have been a better title.