Karen Weise / New York Times:
Rakuten: Amazon's share of US online sales can dip to ~20% around Thanksgiving only to soar to ~50% before Christmas, as users trust Amazon to deliver on time — SEATTLE — Olivia Zimmermann started her holiday shopping early this year, buying a Bluetooth speaker from Best Buy for her sister.
from Techmeme http://bit.ly/2GHgDPB