IWSN...GNOC...PIR...POS...CU46...Those combinations of letters and numbers mean something very specific and unless you're in the know you have no idea what they mean. As a parent you probably know what LOL means but do you have any idea what the previous group of letters mean?
Instagram has purged millions of fake and inactive accounts, resulting in massive drops in follower numbers for celebrities, companies, brands and regular people. Which celeb took the biggest hit? Justin Bieber.