Confused

Why do the imageboard posts seem to just vanish after less than a day? Do they actually get deleted or are they somewhere?

>>11
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
dubs won this time
All work and no play makes Jack a dull boy
All work and no play makes Jack a dull boy
All work and no play makes Jack a dull boy