<s>
HipChat	B-Protocol
was	O
a	O
web	O
service	O
for	O
internal	O
private	O
online	B-Protocol
chat	I-Protocol
and	O
instant	B-Application
messaging	I-Application
.	O
</s>
<s>
As	O
well	O
as	O
one-on-one	O
and	O
group/topic	O
chat	B-Protocol
,	O
it	O
also	O
featured	O
cloud-based	O
file	O
storage	O
,	O
video	O
calling	O
,	O
searchable	O
message-history	O
and	O
inline-image	O
viewing	O
.	O
</s>
<s>
The	O
software	O
was	O
available	O
to	O
download	O
onto	O
computers	O
running	O
Windows	O
,	O
Mac	B-Application
or	O
Linux	B-Application
,	O
as	O
well	O
as	O
Android	B-Application
and	O
iOS	B-Application
smartphones	B-Application
and	O
tablets	B-Device
.	O
</s>
<s>
Since	O
2014	O
,	O
HipChat	B-Protocol
used	O
a	O
freemium	O
model	O
,	O
as	O
much	O
of	O
the	O
service	O
was	O
free	O
with	O
some	O
additional	O
features	O
requiring	O
organizations	O
to	O
pay	O
per	O
month	O
.	O
</s>
<s>
HipChat	B-Protocol
was	O
launched	O
in	O
2010	O
and	O
acquired	O
by	O
Atlassian	O
in	O
2012	O
.	O
</s>
<s>
In	O
September	O
2017	O
,	O
Atlassian	O
replaced	O
the	O
cloud-based	O
HipChat	B-Protocol
with	O
a	O
new	O
cloud	O
product	O
called	O
Stride	B-Protocol
,	O
with	O
HipChat	B-Protocol
continuing	O
on	O
as	O
the	O
client-hosted	O
HipChat	B-Protocol
Data	O
Center	O
.	O
</s>
<s>
In	O
July	O
2018	O
,	O
Atlassian	O
announced	O
a	O
partnership	O
with	O
Slack	B-Protocol
under	O
which	O
Slack	B-Protocol
would	O
acquire	O
the	O
codebase	B-General_Concept
and	O
related	O
IP	O
assets	O
of	O
HipChat	B-Protocol
and	O
Stride	B-Protocol
from	O
Atlassian	O
.	O
</s>
<s>
Following	O
this	O
,	O
HipChat	B-Protocol
and	O
Stride	B-Protocol
customers	O
were	O
migrated	O
to	O
the	O
Slack	B-Protocol
group	B-Protocol
collaboration	I-Protocol
platform	O
in	O
a	O
transition	O
that	O
was	O
completed	O
by	O
February	O
2019	O
.	O
</s>
<s>
HipChat	B-Protocol
was	O
founded	O
by	O
Chris	O
Rivers	O
,	O
Garret	O
Heaton	O
,	O
and	O
Pete	O
Curley	O
,	O
who	O
studied	O
together	O
at	O
Rensselaer	O
Polytechnic	O
Institute	O
(	O
RPI	O
)	O
and	O
also	O
created	O
HipCal	O
and	O
Plaxo	O
Pulse	O
.	O
</s>
<s>
They	O
launched	O
the	O
first	O
HipChat	B-Protocol
beta	O
on	O
December	O
13	O
,	O
2009	O
.	O
</s>
<s>
HipChat	B-Protocol
was	O
made	O
available	O
to	O
the	O
public	O
starting	O
January	O
25	O
,	O
2010	O
.	O
</s>
<s>
On	O
March	O
22	O
,	O
2010	O
,	O
HipChat	B-Protocol
launched	O
a	O
web	O
chat	B-Protocol
beta	O
which	O
allowed	O
users	O
to	O
chat	B-Protocol
via	O
the	O
browser	O
in	O
addition	O
to	O
the	O
existing	O
Windows	O
,	O
Mac	B-Application
and	O
Linux	B-Application
client	O
.	O
</s>
<s>
HipChat	B-Protocol
's	O
web	O
client	O
came	O
out	O
of	O
beta	O
and	O
SMS	B-Device
chat	B-Protocol
support	O
was	O
added	O
on	O
April	O
16	O
,	O
2010	O
.	O
</s>
<s>
On	O
May	O
12	O
,	O
2010	O
,	O
HipChat	B-Protocol
unveiled	O
its	O
official	O
API	B-General_Concept
.	O
</s>
<s>
HipChat	B-Protocol
is	O
mainly	O
written	O
in	O
PHP	B-Application
and	O
Python	B-Language
using	O
the	O
Twisted	B-Language
software	I-Language
framework	O
,	O
but	O
uses	O
other	O
third-party	O
services	O
.	O
</s>
<s>
Co-founder	O
Pete	O
Curley	O
announced	O
that	O
HipChat	B-Protocol
had	O
secured	O
$	O
100,000	O
in	O
funding	O
on	O
August	O
10	O
,	O
2010	O
.	O
</s>
<s>
HipChat	B-Protocol
launched	O
their	O
iOS	B-Application
app	O
on	O
March	O
4	O
,	O
2011	O
,	O
and	O
their	O
Android	B-Application
app	O
on	O
June	O
2	O
,	O
2011	O
.	O
</s>
<s>
On	O
March	O
7	O
,	O
2012	O
,	O
Atlassian	O
,	O
which	O
had	O
been	O
using	O
the	O
service	O
internally	O
,	O
announced	O
it	O
had	O
acquired	O
HipChat	B-Protocol
.	O
</s>
<s>
On	O
April	O
24	O
,	O
2017	O
,	O
HipChat	B-Protocol
experienced	O
a	O
hacking	O
incident	O
in	O
which	O
user	O
info	O
,	O
messages	O
,	O
and	O
content	O
were	O
accessed	O
.	O
</s>
<s>
On	O
May	O
11	O
,	O
2017	O
,	O
Atlassian	O
announced	O
HipChat	B-Protocol
Data	O
Center	O
,	O
a	O
self-hosted	O
enterprise	O
chat	B-Protocol
tool	O
.	O
</s>
<s>
On	O
September	O
7	O
,	O
2017	O
,	O
Atlassian	O
discontinued	O
the	O
cloud-based	O
HipChat	B-Protocol
,	O
replacing	O
it	O
with	O
HipChat	B-Protocol
's	O
successor	O
,	O
called	O
Stride	B-Protocol
,	O
which	O
offered	O
additional	O
features	O
to	O
enhance	O
efficiency	O
of	O
collaboration	O
.	O
</s>
<s>
The	O
client-hosted	O
HipChat	B-Protocol
Data	O
Center	O
continued	O
to	O
be	O
supported	O
.	O
</s>
<s>
On	O
July	O
26	O
,	O
2018	O
,	O
Atlassian	O
announced	O
that	O
HipChat	B-Protocol
and	O
Stride	B-Protocol
would	O
be	O
discontinued	O
February	O
15	O
,	O
2019	O
,	O
and	O
that	O
it	O
had	O
reached	O
a	O
deal	O
to	O
sell	O
their	O
intellectual	O
property	O
to	O
Slack	B-Protocol
.	O
</s>
<s>
Slack	B-Protocol
will	O
pay	O
an	O
undisclosed	O
amount	O
over	O
three	O
years	O
to	O
assume	O
the	O
user	O
bases	O
of	O
the	O
services	O
,	O
and	O
Atlassian	O
will	O
take	O
a	O
minority	O
investment	O
in	O
Slack	B-Protocol
.	O
</s>
<s>
The	O
companies	O
also	O
announced	O
a	O
commitment	O
to	O
work	O
on	O
integration	O
of	O
Slack	B-Protocol
with	O
Atlassian	O
services	O
.	O
</s>
<s>
The	O
primary	O
features	O
of	O
HipChat	B-Protocol
were	O
chat	B-Protocol
rooms	O
,	O
one-on-one	O
messaging	O
,	O
searchable	O
chat	B-Protocol
history	O
,	O
image	O
sharing	O
,	O
5	O
GB	O
of	O
file	O
storage	O
,	O
and	O
SMS	B-Device
messaging	O
for	O
one-on-one	O
conversations	O
.	O
</s>
<s>
A	O
premium	O
version	O
added	O
video	O
calling	O
,	O
screen	B-Protocol
sharing	I-Protocol
,	O
unlimited	O
file	O
storage	O
,	O
history	O
retention	O
controls	O
,	O
and	O
a	O
virtual	O
machine	O
version	O
allowed	O
HipChat	B-Protocol
to	O
run	O
within	O
corporate	O
firewalls	O
.	O
</s>
<s>
A	O
guest	O
access	O
mode	O
allowed	O
users	O
outside	O
of	O
the	O
organization	O
to	O
join	O
a	O
group	O
chat	B-Protocol
via	O
a	O
shareable	O
URL	O
.	O
</s>
<s>
Inline	O
GIF	O
playback	O
and	O
custom	O
emoticons	B-Protocol
were	O
also	O
available	O
.	O
</s>
<s>
HipChat	B-Protocol
Data	O
Center	O
was	O
Atlassian	O
's	O
self-hosted	O
team	O
communication	O
offering	O
.	O
</s>
<s>
In	O
addition	O
to	O
integration	O
with	O
Atlassian	O
's	O
other	O
products	O
,	O
HipChat	B-Protocol
integrated	O
with	O
services	O
such	O
as	O
GitHub	B-Application
,	O
MailChimp	B-Application
and	O
Heroku	B-General_Concept
.	O
</s>
<s>
To	O
allow	O
for	O
more	O
third-party	O
integrations	O
to	O
be	O
added	O
,	O
HipChat	B-Protocol
featured	O
a	O
REST	O
interface	O
with	O
several	O
language-specific	O
implementations	O
.	O
</s>
<s>
Administrators	O
were	O
able	O
to	O
access	O
1-to-1	O
chat	B-Protocol
histories	O
if	O
the	O
customer	O
's	O
company	O
policies	O
permitted	O
viewing	O
of	O
employee	O
communications	O
.	O
</s>
