This document describes several habit-forming apps and websites. It discusses apps that use Facebook integration and daily notifications to encourage forming a new habit over 14 days. It also describes running apps that track metrics and allow sharing runs on Twitter, as well as a 9-week training app for 5K runs that includes social media sharing. Additionally, it summarizes a website that matches people who want to do the same activities together and a video game that turns exercises into a fun gameplay experience.

3. Facebook
app
that
encourages
users
to
create
a
daily
habit
by
performing
the
habit
for
14
consecutive
days.
Emails
notifications
are
optional.
Top
3
Reasons:
1. Daily
email
reminders
trigger
you
to
perform
the
habit
each
day.
2. Facebook
integration
allows
you
to
notify
your
friends
when
you
decide
to
start
a
habit
and
when
you’ve
successfully
performed
the
habit
for
14
days.
3. Active
Facebook
users
will
trigger
themselves
each
time
they
log
into
Facebook
and
view
the
application.

4. iPhone
app
that
uses
GPS
technology
to
record
the
duration,
distance,
speed,
etc
of
your
run.
This
app
also
allows
you
to
share
your
completed
runs
with
friends
via
Twitter.
Top
3
Reasons:
1. Tweeting
your
runs
to
friends
allows
you
to
show
off
your
running
skills.
2. Keeping
logs
of
all
your
runs
shows
how
much
you’ve
accomplished
and
motivates
you
to
keep
running
to
beat
your
previous
best
time.
3. Simple
interface
is
easy
to
use
and
won’t
get
in
the
way
of
tracking
and
performing
your
goals.

5. iPhone
application
that
helps
users
to
get
in
shape
to
5k
after
9
weeks.
This
app
also
features
customizable
music
playlists
and
Facebook
and
Twitter
integration.
Top
3
Reasons:
1. C25K
helps
you
start
small
and
accomplish
realistic
running
goals
in
the
beginning
before
it
builds
you
up
to
run
5K
after
9
weeks.
2. Helps
you
set
a
schedule
and
encourages
you
to
run
at
least
3
times
a
week.
3. Facebook
and
Twitter
integration
lets
you
share
with
your
friends
your
progress.

6. Website
that
lets
you
indicate
what
activity
you
want
to
perform
on
a
certain
day
and
helps
you
find
people
who
want
to
do
the
same
activity
at
that
time.
Top
3
Reasons:
1. Once
an
ActivityMatch
is
created,
you
are
less
likely
to
back
out
since
you
are
responsible
to
someone
else.
2. Triggered
to
perform
activity
when
another
user
contacts
you
to
get
together.
3. Added
benefit
of
finding
new
people
with
similar
interests
in
your
area.

7. Video
game
that
encourages
users
to
get
in
shape
through
various
exercises.
Top
3
Reasons:
1. Video
game
aspect
turns
mundane
exercises
into
fun
pastimes.
2. Several
different
playable
exercises
change
up
the
rhythm
of
your
workout
3. Some
exercises
need
to
be
unlocked
before
they
can
be
performed.
This
gets
the
user
to
exercise
more
to
unlock
these
“levels.”

8. Triggers
Motivation
Social
Baby
Running
Pressure
Steps
Habit
habits.stanford.edu