After death and taxes, the next unavoidable thing in life may be lousy Powerpoint presentations.

And for anyone who’s ever struggled to simultaneously read and listen as a speaker breezes through slides, Sean Smyth has some comforting words: It’s not your fault. The human brain simply isn’t equipped to multitask on that level.

“Your mind can’t work that way,” says Smyth, the CEO of PechaKucha, a company that offers software and other services centered around a unique take on slide sharing. “It can’t both read and listen at the same time.” Scores of research studies back Smyth up, concluding that text plus speech simply equals too much new information to process.

Read more here.