I really like that it is easy to integrate with other systems such as Salesforce or Google Analytics so you can easily see where your customers go after they leave one page in an ecommerce site versus another! The only thing i don't love too much but isn’t terrible either was when there were problems integrating into certain websites (ie Facebook).
Other than those two issues everything has been great!! We've had some small successes already by using this product which makes me feel good - even though my boss doesn;' t know yet lol It's very helpful having something set up quickly once someone leaves any given website because before now if anyone left from say Amazon then nothing would be done until next time he/she came back online again later down at work etc..