"During the promotional period, a user in Madrid received his parcel five hours after placing the order, which was unthinkable before," he said.
These developments also show the company's "Persistence" when it comes to make progress day after day and, over time, achieve what was previously unthinkable.
This is unthinkable for many people in Western countries.
This was unthinkable until recently.
Now, many people have the achievable dream of buying a Mercedes-Benz or a BMW, something that would have been unthinkable a few years ago.
The 10-year US Treasury note's yield slid as low as 0.318 percent — a level that was unthinkable just a week ago — as investors rushed to cut risk assets and snap up safe-havens.