So I posted this question because I saw this comic on xkcd that is a chart showing how long you should work on making a task more efficient before your spending

So I posted this question because I saw this comic on xkcd that is a chart showing how long you should work on making a task more efficient before your spending more time than you save. I always see these ask hn questions about coming up with ideas for a startup. I thought if you phrase it a little different, you might get a better set of ideas by looking at manual tasks that take at least 5 minutes.