Don't worry, helen123. It is true, Christmas time will be there but purchasing tokens can become a nice Christmas gift for beloved ones!
Really, I woudn't be worrying that much, and after all I think most activity will be in the first two weeks because of bonus.

Those large department stores we can observe today hardly can adopt to the blockchain reality simply because they do not need to lessen paperwork or transaction steps - they earn on it. Most of such stores rely heavily on the manufacturers and suppliers because only small part of them is able to produce something their own.

Millennials have become one the largest living generations. Growing up in the digital age, they are now dominating online. For them, shopping for groceries in a physical store is more of a challenge. They are moving away from doing weekly shops to a grab-and-go model  giving preference to the digital shopping.

That means you rely on perspective alteration of the consumers' habits which is hard to predict, I guess?

Why do you think it is hard to predict? Social habitual patterns are quite obvious, especially for new generations.

Global chain supply is another big issue, in my opinion. With all its disadvantages that supply is being used by many people and it was adopted to their needs at certain point. Logistics hold huge portion of grocery market, and even for direct consumer-manufacturer connection it will most likely still presented.
How to curb it fully?

Exactly, if we find potential in the project then it is always good to participate in the beginning of the ICO. Otherwise you may loose those bonus if you participate later, better plan in the beginning of ICO to get more bonus.

The development of the INS Ecosystem platform and supporting app, along with more details for the operating centers will be taking place soon. It is hard to make exact vizualization right now before platform is ready, however, it is confirmed that fulfillment center will also use courier services to deliver good as fast as possible, to ensure their high quality and considering expiry date.
During the initial stages of development of the ISN Ecosystem we’re planning to negotiate with fulfillment center workers and couriers, logistics companies on our own behalf to demonstrate the viability of our working system. Later we will pass these roles to independent contractors following the instructions from our app (just like Uber taxi drivers work independently for a system that distributes the orders).