This is the 700th most frequent Slovak word.
facebooku
"Facebooku" is the genitive or locative case of "Facebook" in Slovak, meaning "of Facebook" or "on Facebook."
Here, 'Facebooku' is used in the locative case, which indicates the location where the action happened.
Pozrel som si video na Facebooku.
I watched a video on Facebook.
Again, 'Facebooku' is in the locative case to specify the platform where the action occurred.
Napísal som príspevok na Facebooku.
I posted a message on Facebook.
'Facebooku' is used in the locative case to signify the platform related to the account.