<s>
Flipora	B-Application
is	O
a	O
personalized	O
content	O
recommendation	B-Application
service	I-Application
that	O
recommends	O
web	O
content	O
to	O
users	O
based	O
on	O
their	O
interests	O
and	O
web	O
activity	O
.	O
</s>
<s>
Flipora	B-Application
’s	O
machine	O
learning	O
algorithm	O
automatically	O
categorizes	O
the	O
web	O
into	O
thousands	O
of	O
interest	O
categories	O
and	O
provides	O
content	O
to	O
users	O
that	O
suits	O
their	O
identified	O
interests	O
.	O
</s>
<s>
Flipora	B-Application
users	O
can	O
upvote	O
content	O
recommendations	O
they	O
enjoy	O
and	O
automatically	O
promote	O
those	O
content	O
recommendations	O
to	O
their	O
followers	O
.	O
</s>
<s>
Flipora	B-Application
had	O
amassed	O
8	O
million	O
users	O
by	O
June	O
2012	O
and	O
crossed	O
25	O
million	O
users	O
worldwide	O
in	O
April	O
2014	O
.	O
</s>
<s>
Flipora	B-Application
also	O
has	O
a	O
content	O
recommendation	O
iPhone	B-Device
app	O
.	O
</s>
<s>
The	O
app	O
allows	O
a	O
user	O
to	O
connect	O
their	O
Facebook	B-Application
and	O
Twitter	B-Application
accounts	I-Application
.	O
</s>
<s>
The	O
app	O
then	O
uses	O
machine	O
learning	O
to	O
infer	O
a	O
user	O
’s	O
interests	O
based	O
on	O
their	O
Facebook	B-Application
and	O
Twitter	B-Application
activity	O
along	O
with	O
the	O
activity	O
within	O
the	O
app	O
.	O
</s>
