The correct answers to this open question are the following.
About my generation. Are any ideas countercultural?
Yes, many young people are using social media to share new things and points of view.
What subcultures have emerged from your generation?
For instance, there is the Emo subculture. It is a group of young people that do not smile. They dress in Gothic customs and tend to listen to Gothic or Punk music.
How have the issues of your generation expressed themselves culturally?
We are more like a video game culture that spent most of the time in front of a computer or mobile device, playing games. We can spend all night playing video games, trying to break our own records.
How has your generation made its mark on society's collective culture?
This video game life has spread from our generation to other generations such as hipsters of 40-year-old people that feel attraction to the way we are, the way we dress, and the things we like.