Tech Talk #152–Apr. 10, 2021 It started with shortening words to type faster by using fewer characters but has spread to Twitter, Instagram, Messenger, WhatsApp, and whatever the latest thing is. Since abbreviations and acronyms can make it hard to communicate if you don't know, or can't quite work out, what people are saying, here's some help. AFAIK: As far as I know. Use it when you're not sure or are guessing. Who can tell?