The tracking aspect also creates a mental barrier for food intake. If snacking is a bit tedious because you need to write it down, there’s a larger chance you really think about eating something or not.

Finland (Suomi) basically means a swamp (suo).

If you look at the etymology, there are other explanations of the origins, but a modern person would associate the name with a swamp. I guess it makes sense with all the lakes.

The best learning material is the one you have motivation to follow through. Doesn’t matter if there exists better ones, if those will be left unused.