HI @HungLee if you feel like connecting with people around the world, whether for something in particular you have in mind, or just to chat, #Harnu might be an option for you. Personally, I use Harnu to a) share bits about where I live such as music and photos and b) to get a local's perspective on the world news that I read.

Disclaimer - I'm part of the #Harnu team so I'm of course biased :-)

Cheers.