National advertising spending jumped 37% in the first quarter to $9.74 billion, as advertisers in a variety of categories pumped up their marketing as the pandemic subsided, according to new data from iSpot.tv.
National advertising spending jumped 37% in the first quarter to $9.74 billion, as advertisers in a variety of categories pumped up their marketing as the pandemic subsided, according to new data from iSpot.tv.