Document 72 Hours S2014E17 - The Post Office that Never Sleeps

More and more these days, people communicate via texting, social media and email. Yet there are some who rush into the Shinjuku Post Office, a giant establishment in Tokyo open 24/7, at all hours of the day or night, with something that simply must be sent by post. Some want to send a special present to a special someone far away; others need a postmark to fix eligibility for an application process; others still are rushing to meet a deadline for submitting a résumé. We camp out by the counters to learn not only the "what", but the "why".