The bottom line
■■Podcast ad sales in the U.S. totaled $314 million last year and will grow to $659 million by 2020, according to PwC. About 55 percent of podcast listeners are men, who listen an average 7.6 hours per week. Female listeners spend about 5.5 hours per week listening.
■■U.S. airlines earned $4.6 billion in checkedbaggage fees in 2017. That’s up from $4.2 billion a year earlier. The upside of the fees? Airlines have gotten better at not losing your luggage: The number of mishandled bags fell to 5.6 bags per thousand passengers last year, from 18.8 in 2007.