When does an offer/app get saturated? (3)
Is there a rule of thumb for determining whether an offer is saturated in a given country? Say, if an app has been at the top of the app store for the past 12 months?
When your campaign doesn't shows an positive ROI anymore. If it's not already running, set up an campaign and test it.
when people run out of creative ANGLES to push it 
nah there might be many reasons, everyone downloaded it, banner blindness, angles and landers burned out, offer has been out for a long time in that geo and have to the size of the geo into consideration as well.
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