Perhaps, click fraud?
Is there any new powerful platform/aggregator in your market?
I don't know what click fraud is but it's a very small entertainment agency market in Durban, South Africa's 3rd largest city. We only advertised locally (specified in AdWords)
unlikely but they should check their invalid click rate to be sure
I don't know what click fraud is but it's a very small entertainment agency market in Durban, South Africa's 3rd largest city. We only advertised locally (specified in AdWords)