This is the 446th most frequent Catalan word.
The Catalan word "twitter" refers to the social media platform Twitter.
The word 'Twitter' here is used as the platform name where the news was found.
Vaig llegir una notícia molt interessant a Twitter avui.
I read a very interesting news on Twitter today.
In this sentence, 'Twitter' refers to the company, which is represented by the blue bird logo.
L'ocell blau de Twitter és un símbol reconegut.
The blue bird of Twitter is a recognized symbol.
Here, 'twitter' is used more informally to refer to the act of tweeting or posting messages on Twitter.