“At a time when everything is a branding opportunity, and toasts live on for posterity in social media, few people want to be memorialized “um”-ing, “you know”-ing” and “remember that time we got drunk”-ing their way into ignominy. And yet: Nobody wants to admit he Botoxed his son’s bar mitzvah toast with some punch lines from an “Everybody Loves Raymond” writer. A result is a little-known under-the-table economy.”