 
Home screen Find for friends by typing in the
search bar
Permission setting page of Joe
for Bob | To add a new social contact,
Joe starts from his home
screen and clicks on "My
friends" button. He finds Bob
by typing his name in the
search bar (which is located
at the upper right corner.) Bob's
picture pops out and Joe clicks on
the "Add friend" button to add him.
Joe then sets the permissions
for Bob. For example, in this
scenario,
1. Adjust the time by manipulating
the clock-like interface.
2. Choose the places that are
available for Bob by clicking
on the map.
(a) Click on a new place to
create a new one. At the
same time, you Joe can edit
the place's radius and name, by
manipulating a transparent
circle around the location
bubble. Joe can also edit
the name of the location
such as STATA or Boston by
typing in the location bubble.
(b) Clicking on an existing
place can either delete it
or edit it.
3. Hide/show aggregated information
by clicking on the chart and the
Hide/show Show button. Click on the
tab menu to choose different
kinds of aggregated information
(weekly or monthly). | Pros:
1. Adding friends is done in a
similar way as other social apps.
2. The clock widget makes
very easy to select the time.
It is also consistent with other
time widget.
2 3. The map provides direct
direct manipulation which allows
which allows user to
choose the locations
3to choose the locations.
4. When Joe chooses a location
on the map. It provides
immediate feedback feedback by creating
a bubble around the location. | Pros:
1. Minimize the amount of
drop-down menu for permission
setting by using pictures and
maps.
Cons:
1. It might be cumbersome
for users to set the
permissions of each
social contact one by one.
Aggregation* *should be
used. (ex. group permission
settings.) Efficiency problem
can also be mitigated by
providing * {}default{} *
permission settings.
2. It would be too much work for
Joe to type the name of a
location or the address, auto-
complete should be used here.
| | The clock and map are salient
to Joe. |