What is the key difference between a 'CPM' and 'fixed rate' pricing model in a Twitch brand deal?

The key difference between a 'CPM' (Cost Per Mille) and a 'fixed rate' pricing model in a Twitch brand deal lies in how the streamer is compensated for their services. With a 'CPM' model, the streamer is paid a specific amount for every 1,000 impressions their sponsored content receives. An impression is counted each time the sponsored content is displayed to a viewer. The ....