Notifications: uselessness of

Lars Wirzenius lars at
Thu Feb 26 05:36:38 GMT 2009

ke, 2009-02-25 kello 12:05 -0600, Ted Gould kirjoitti:
> On Wed, 2009-02-25 at 19:14 +0200, Lars Wirzenius wrote:
> > Notifications are always interruptions. When something new pops up on
> > the screen, it interrupts my thought and my work, and if I'm "in the
> > zone" (also known as "in hack mode"), that interruption may cost about
> > fifteen minutes of effective work time.
> First off, wow.  For Lars version 2.0 I'd recommend working on that
> context switch time! :)  Most studies put it at a few orders of
> magnitude lower.

All studies I've heard of say the time to get back into the zone, or
flow, is around fifteen minutes for most people. See Peopleware, for

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