VideoAmp’s assault on Nielsen’s patch persisted this week as the TV data vendor continues to shed light on the various industry stakeholders that are supportive of its cause. Last week it was rallying the media agencies, and this week we have news that ViacomCBS will be signing up to VideoAmp’s alternative currency. Starting from this month, VideoAmp’s dataset will be used as a currency to plan, transact and measure ViacomCBS’s national media strategy. ViacomCBS will be able to use this currency to guarantee media campaigns against customized advanced audience segments that are requested on its Vantage advertising platform. The past month or so has seen a series of rapid-fire events that have signaled that Nielsen is set to be toppled…