phirus

Yes, the margin for potatoes is there because potatoes are discrete. A single potatoe weighs something around 100-300 grams, so hitting exactly 1kg is not that trivial. But bytes are bytes. If it says 16GB, I want at least 16GB.

Yes "random walk" is not a strategy, it is a model. This article basically just says:"Jumping bean motion can be modeled with random walk", which isn't really suprising.