Google Nexus 4 Manual Book page 84

Along with location history, Google Now uses
your tablet's location access service, which
must also be turned on for Google Now to
Set-
work. To manage this setting, go to
tings > Personal > Location access.
For more details, see "Control location ac-
cess, reporting, & history."
About Web History & other data
Google Now uses data from multiple sources
to help predict what you need. For example,
if you have a synced calendar entry for a
dentist appointment, Google Now can check
traffic and suggest when to leave. And if you
have relevant searches saved in your Web
History, such as for your favorite sports team
or for upcoming flights, Google Now can also
show cards for sports scores, flight status,
and more.
To manage your Web History, visit google.
com/history. You can delete or pause your
Web History and still use Google Now, but
GOOGLE NOW & SEARCH 79