Just spamming them is the wrong approach. However, you can pull these records into your own DB and then use this as a lookup table (for example: when people sign up to contact them directly to close the sale).
Probably some other creative uses as well. As long as it avoids spamming everyone at once.
You can use third party service that provides you with social media information associated to an email address. Rapleaf and FlowTown are two such services.
Just spamming them is the wrong approach. However, you can pull these records into your own DB and then use this as a lookup table (for example: when people sign up to contact them directly to close the sale).
Probably some other creative uses as well. As long as it avoids spamming everyone at once.