What to do IPAs and IRAs have in common? The short answer: time is your most valuable asset. IPA's, like IRAs get danker over time. Both are meant to be enjoyed slowly over time. Strider explores this Christopher Nolan style time oriented connection and much more.
Sources:
Wkipedia.org, Theguardian.com “Empire of Booze” by Henry Jeffreys - raising British spirits, Allaboutbeer.com, Ratebeer.com, Ndtco.com, schwab.com, Allagash.com, drinkinginamerica.com