Selected answers from the Dumb SEO Questions G+ community.
Michael Martinez: If you mean something like an infinite scrolling process, the search engines won`t see most of the content. Otherwise, the number of words on the page only has an indirect effect on rankings and you should be careful about assuming that "more is better". If you think about it logically, the more unique words and phrases that appear on the page the more likely the page will appear in a larger number of queries; of course, classic "keyword stuffing" consists of cramming lists of words and phrase, or random words and phrases, into a page just for that reason. Create a page that is useful for your visitors. Don`t worry about SEO formulas.