During speaking - probably no one. But I have definitely seen people write IG when mentioning it online.
Comment on “IG is a drug”: Internal messages may doom Meta at social media addiction trial
p03locke@lemmy.dbzer0.com 1 week ago
Who the fuck calls Instagram “IG”?
imetators@lemmy.dbzer0.com 1 week ago
Powderhorn@beehaw.org 1 week ago
Seems most people under 40 from my online interactions. Though “Insta” is more popular in my experience.
orca@orcas.enjoying.yachts 1 week ago
“The gram”