The booth is new initiative to give people more opportunities to get rid of their trash. Usually residents in Taipei have to hold onto their trash and have to wait until the right garbage truck comes around for them to toss the garbage in. If residents miss the truck, they have to hold on to their trash.
Taiwanese says, " I think it is very convenient. For example, i have work after 8 PM or 9 PM, and garbage collecting trucks are all gone at that time. But i can come here anytime i want and collect cash for my EasyCard. It is also easy to use.