I was curious about the 51 Franklin Street address in the GPLv2 license notice so I wrote to them as they said

Новости о важных событиях для работников ИТ индустрии

Сравнение трудового законодательства в России и Сербии

Regarding the recent Maven drama.

Оформление ИП даёт сиюминутную выгоду: в ближайшее время вы получите больше на руки (но это неточно), при этом рискуете больничными, отпускными, да и доходом в целом.

Problems with GPL.

For some reason it took me some time to find it. Saving here so it is easier next time.

"A good test case for whether a license is free (for issues like this) is whether a disconnected group of people on a desert island could distribute the software among themselves. In the vim case, they cannot. (For example, if the vim maintainer flies over the island and drops down a message saying "you must hereby send me your changes", how are the people down below to comply?) The fact that the vim maintainer can send the request does not say anything about whether the people receiving it could reply."