Amazon built the "Everything Store." Now it's trying to become the every-hour store. The e-commerce giant is testing a new delivery system that breaks the day into 10 distinct windows spanning 24 hours, according to internal documents obtained by Business Insider.That's a meaningful expansion from Amazon's traditional delivery hours, which typically run from 6 am to 10 pm. The new structure effectively turns delivery into a rolling, all-day cycle, with faster options carrying premium fees. The initiative, l ...