Following a first quarter where the traditional Q1 blockbuster TV events are all back to their usual post-pandemic scheduling, attribution firm iSpot.tv has a perfect opportunity to flex its measurement muscles. The findings of its latest TV Ad Rundown report demonstrate that streaming figures are now essential for measurement currency, while life in the media sphere seems largely ‘back to normal’. With the Super Bowl, Winter Olympics and NCAA March Madness all back on track, it is of little surprise that national ad spend in the US was at $9.74 billion for the quarter, up 36.9% year on year (YoY). Overall impressions for the quarter were at 699.6 billion, marking a smaller increase of 8.83% YoY. However, this means that…