Are billboards dead? 
Yes and no:
This billboard design/offer performs well at only one of the 4 different locations this client has.
A short thread:

Yes and no:
This billboard design/offer performs well at only one of the 4 different locations this client has.
A short thread:

Tracking redemptions of this offer:
The prime location gets over 60% of new players saying they came in from the billboard.
The other 3 spots weren't very effective with around 15% of new players saying they came in from those billboards.
The prime location gets over 60% of new players saying they came in from the billboard.

The other 3 spots weren't very effective with around 15% of new players saying they came in from those billboards.

So yes billboards do work in the sense that they are proven to bring in new customers.
They don't work when your ad or location isn't effective. Billboards cost a lot of money, so make sure you have a way to track their effectiveness.
They don't work when your ad or location isn't effective. Billboards cost a lot of money, so make sure you have a way to track their effectiveness.