This is the 790th most frequent Polish word.
internecie
"Internecie" is the locative case of "Internet" in Polish, meaning "on/at/in the Internet."
Here, 'w internecie' is used to indicate the location where something can be found, emphasizing the internet as a source.
W internecie można znaleźć wiele informacji.
On the internet, a lot of information can be found.
The phrase 'w internecie' provides context that the forum is an online platform, thus set in the internet.
Dyskutowaliśmy na forum w internecie.
We discussed on the forum on the internet.
In this sentence, 'w internecie' in Polish means 'on the internet', using the preposition 'w' (in) combined with the locative case of 'internet'.