Generate a sentence describing the effect of advertising on the 2008 election cycle.
The extensive and persuasive advertising campaigns during the 2008 election cycle played a significant role in shaping public opinion and ultimately influencing the outcome of the election.
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a sentence describing the effect of advertising on the 2008 election cycle.

### Output:
The extensive and persuasive advertising campaigns during the 2008 election cycle played a significant role in shaping public opinion and ultimately influencing the outcome of the election.