"Instagram Sells Itself: In 6th grade, age 11-12, teens get first phone and are 'invited' in one of two ways"

[JOINING INSTAGRAM]: [INSTAGRAM SELLS ITSELF]: "In 6th grade, age 11-12, teens get first phone and are 'invited' in one of two ways…" [BFF]: "My friend just got it and told me to download it." – ████, 12, LA [TOP ACCOUNTS]: "I want to see what my favorite YouTubers and soccer players are doing in real-life (off the screen… off the field)!" – ████ friend group, 14, S. Brazil