The architects below
Jessica Kerr says one of the hardest problems in software is software.
![Work continues on the Manhattan side of the East Side Access Project below Grand Central Terminal.](https://www.oreilly.com/radar/wp-content/uploads/sites/3/2019/06/15978117442_8ef8990c89_o_crop-45d367419cf915eaf54e3698ce38377a-1.jpg)
This is a keynote highlight from the O’Reilly Software Architecture Conference in New York 2017. Watch the full version of this keynote on Safari.
You can also see other highlights from the event.