The document discusses how the TV advertising landscape has changed over time. It describes how in the past, TV advertising was dominated by large agencies and budgets were very high. However, the rise of digital TV platforms led to hundreds of new channels being created, lowering costs. This allowed smaller companies to access TV advertising for the first time through more affordable short-form ads and infomercials. The future is predicted to see continued growth in online and on-demand viewing, with TV and online media converging further.