This is my journal: It records my thoughts, my cares, my struggles, my achievement and failure, my observation of life and nature, internet circulation、treasures、or recycled junks I found, ... . If you stumbled upon this blog by accident or on purpose, I welcome you. Thank you for your visit and comments. Hurry back!
On Sunday night(Dec. 1, 2013), Jeff Bezos revealed that Amazon is working on drones that can deliver packages up to five pounds, to your house in less than half an hour.
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