6 Minutes English : Is technology harmful to youngsters?

https://www.bbc.co.uk/learningenglish/features/6-minute-english/ep-210906

adolescent 

definition : a young person who is developing into an adult.

example : She doesn't understand the emotional problems of adolescents 

savvy

definition : practical knowledge and ability.

example : Liberal arts degrees and computer savvy rarely sit comfortably together. 

addiction

definition : a person who can't stop doing or using something, especially something harmful.

example : He suggested that dependency on cigarettes should be seen as another from of drug  addiction.

immersive

definition : seeming to surround the audience, player, etc. so that they feel completely involved in something.

example :  He delivers an immersive full - screen experience for viewing photos on the web.

accessible

definition :  able to be reached or easily to got.

example : All parts of the museum are accessible to wheelchairs.