Millennials have created a form of written English that’s as expressive as spoken English

The spelling and grammar rules do not apply on the Millennial Internet. That’s because millennials have created a new rulebook for a variant of written English unique to social media. A rulebook which states that deliberately misspelled words and misused grammar can convey tone, nuance, humour, and even annoyance.

https://mashable.com/2018/04/02/millennials-written-english/#38Tkqr1YRmqK