Ms. Schüll, a cultural anthropologist, studies the relationship between people and technology. And her own progression from managing her writing schedule with an hourglass to ceding control to an Internet lockdown app parallels the technological shifts she is exploring in a book due to be released next year.Ms. Schüll, a cultural anthropologist, studies the relationship between people and technology. And her own progression from managing her writing schedule with an hourglass to ceding control to an Internet lockdown app parallels the technological shifts she is exploring in a book due to be released next year.