A comparison between a metric in one period and the same period in the previous year. A useful way to evaluate growth while reducing the effect of seasonality.
The return or output generated from a marketing investment, audience, channel, or campaign. A broad efficiency concept used to compare resources invested with results produced.
The strategic use of YouTube videos, channels, advertising, and community features to reach and engage an audience. A video-centered approach that can support discovery, education, authority, and conversion.