Why cite an email/CRM blog in a social newsletter? Because, silly, social drives visitors to your landing pages. And then they leave. Perhaps forever. Duh! Here, Caroline Watts, marketing manager at ReTargeter, avers that, while there are always going to be some valuable prospects you won't be able to reach with retargeting, email marketing can be a successful re-engagement technique. But what happens if you can't get someone to click through an email? This is where two lesser known forms of retargeting—email retargeting and CRM retargeting—can help, she says.