Container ships may shrink in size if manufacturing moves closer to its markets. In the latest in the FT's How we Live in 2050 series, public policy correspondent Robert Wright explores the industry's latest developments. See if you get the FT for free as a student: http://ft.com/schoolsarefree or start a £1 trial: https://subs.ft.com/spa3_trial?segmentId=3d4ba81b-96bb-cef0-9ece-29efd6ef2132.