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Task 4: View aggregate information of social contacts

 Storyboard

Learnability

Efficiency

Safety

Visbility








Joe's mom Alice has access to Joe's city-location
 and wants to view it. She hits People from the
home screen and then selects Joe.
She clicks on the History tab to see a list of
places Joe has been.

Pros:
Since this screen is easily accessible from
that in task 2 (thus
providing internal consistency),
this task is easy to learn.

Cons:
-

Pros:

Cons:
-

Pros:
- The action in this

Cons:

Pros:
- The aggregation is represented visibly
by showing how long the user has been
at a place.

Cons:
-


Task 5: Edit social contacts

 Storyboard

Learnability

Efficiency

Safety

Visibility

After the ski trip, Joe wants to stop sending his location
 to Bob.  First he browses to the share by clicking on
Bob in his contacts. He sees the Vacation share,
and can click on it to view the details of the share.  
He can then delete it either directly from the
details view, or by returning to the listing screen
and selecting it from there.

Pros:
- The mechanism to delete is externally
consistent (the minus symbol) with other
mobile apps.


Cons:
The design does not provide any
affordances affordance for the user to learn
how to navigate through the steps
described.

Pros:
- The design also provides
multiple ways to delete a
contact. Thus, if Joe wants
to delete Bob from his
contact list (irrespective of
what Bob can view), he can
directly delete him from the list
of contacts.

- Enabling deletion based on
the pre-defined settings can
reduce the need to view detailed
information that the contact can see.

Cons:

Pros:


Cons:

Pros:
The design provides the
 location
information viewable by Bob in an
easy to understand manner.

Cons:
Only the names are
displayed on the first
screen. It would be helpful to show a hint
of the actual information that
the contact
can see.


Task 6: Edit commercial contacts

 Storyboard

Learnability

Efficiency

Safety

Visibility

By selecting My LocaDeals from the home screen,
 Joe can see the deals he's currently participating in.
Clicking each one displays details regarding that Deal.
They can be deleted either from the details view or
from the list.

Pros:

Cons:

Pros:

Cons:

Pros:

Cons:
The user can inadvertently delete
a commercial contact. No undo
mechanism.

Pros:
The information seen by Rei is clearly
conveyed to the user. Visible information.