<s>
Small	B-Protocol
Worlds	I-Protocol
was	O
the	O
title	O
of	O
a	O
presentation	O
given	O
by	O
Raph	B-Application
Koster	I-Application
at	O
the	O
Game	O
Developers	O
Conference	O
in	O
2003	O
,	O
which	O
was	O
instrumental	O
in	O
defining	O
and	O
justifying	O
many	O
of	O
the	O
conventions	O
used	O
in	O
MMORPG	B-Protocol
games	O
.	O
</s>
<s>
Online	B-Application
skill-based	I-Application
games	I-Application
will	O
never	O
achieve	O
significant	O
interest	O
,	O
as	O
a	O
result	O
of	O
the	O
Pareto	O
principle	O
.	O
</s>
<s>
Grinds	B-Application
are	O
an	O
essential	O
part	O
of	O
game	O
design	O
because	O
they	O
offer	O
fair	O
access	O
to	O
game	O
power	O
to	O
all	O
players	O
.	O
</s>
