Hi there,
It's NEO here
This is another episode of The Matrix Decoding, Wake The Fuck Up Series ;-)
A lot of bars and restaurants especially in the areas that it is very hot like coast, beach etc but not only trick you every time you order drinks. I have realized that especially when I actually lived at the beach. I wasn't a huge fan of ice, actually before I went to the coast there was a time in my life that I don't like when my drink was full of ice and I've got ice drink, not a drink drink, I like taste not ice/water at the top. So here is what I realized when I actually moved to the coast and all the places serve you drinks in a glass full of ice everytime, everywhere I got used to it and because of that I produce a lot of ice in our freezer. Apart from that water resets when it is frozen I also read that liquid water and iced water knows what is what and connects together that is why it is difficult to overflow the glass. That is science but let's go back how bars and restaurants actually trick you here... So... look on the photo I have attached to this post.
Jar (Glass) on the left is 500ml and bottle of soft drink on the right is 355ml. I have filled a glass with a lot of ice and throw a drink from the bottle there. You can clearly see that glass is full and there is still a drink left in the bottle. I haven't checked exactly how many ml's are left but I would assume about 100ml. I probably been able to even use more ice to use less soft drink if I want to. You see what I am saying?
Now you will ask, NEO so how they rip me off? here is the thing. Ice is cheap if you buy it in bulk, a lot of bars/restaurants got ice makers, they just use filtered tap water to make it. At home I made my own ice with an ice tray and filtered water. Again is cheap as fuck to make ice. Some of them got special shapes or a hole inside of ice cube so you are able to use even less soft drink to fill glass until full but the best part of it is that I have realized most of places crush their ice as well so you can basically fill full glass of ice and use even less soft drink. Imagine, bottle after bottle and when places are using big bottles or even sirup dispensers like McDonald's they always give you less and less soft drink that you paid for.
Yes, we live in The Matrix and most of businesses in these days wants to rip you off :DDD
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