I made this in honour of a groundbreaking study confirming that personal computers were marketed at boys. Duh. We needed a study for that?
Furthermore, I think the world needs an all-purpose girlsplaining png that can easily and conveniently be plastered on all future declarations that have always been completely obvious to 50% of the human race.
In case you need a non-perpetuating version that's more badass, the link below includes the words 'No Shit!?!' instead: