Do you remember what the research was? I keep having this argument about multitasking not being a real thing but I'd love some concrete research to back it up.

Do you remember what the research was? I keep having this argument about multitasking not being a real thing but I'd love some concrete research to back it up. I get the sense that people just feel more productive when "multitasking" Rather than recognizing the true cost of constant context switching.