<html><head><style>p{margin-top:0px;margin-bottom:0px;}</style></head><body><div style="font-size:10pt; font-family:Gulim, sans-serif;"><p>Actions that clients can do, server can do , </p><p><span style="color: rgb(95, 96, 102); font-family: helvetica, AppleSDGothicNeo-Regular, 굴림, gulim, helvetica, sans-serif; font-size: 12px; letter-spacing: -0.1px; background-color: rgb(253, 253, 253);">Please explain it to me.</span> </p></div></body></html><table style='display:none'><tr><td><img src="https://mail.naver.com/readReceipt/notify/?img=VrbX163o1XgwaAF4MxmsM6uqF4t%2FpA29F4M%2FFqv%2FMoKlKzk4Fquqpx3gMX%2B0MoUd74lR74lcWNFlbX30WLloWrdQar%2Bn%2BBFdpBUR%2BBF0bNFgprw9bX30bSlTb4b%3D.gif" border="0"/></td></tr></table>