    Seritence-1: What-are the “average?ratios  for: downloads,:-active™users “converting  to: transactions “for, titketing: apps, Like.  StubHub; SeavGgek,: TodaysTix;, “etc. ?         Sentence’ 2: "Sholld I buy/.NFL: tickets.  From Stubjlsb now. or wait?. Why?    