By HILARY STOUT
For all the sophisticated algorithms involved in same-day delivery, many of the services ultimately come down to the delivery guy.
Published: November 24, 2013 at 12:00AM
from NYT Technology http://www.nytimes.com/2013/11/24/technology/in-war-for-same-day-delivery-racing-madly-to-go-last-mile.html
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