When you mention “segmenting” an email list, I immediately think – this will all be complicated. So I wonder whether your real benefit is more segmenting a contact list in an easy way.
You might look more for something like this:
How to Make Segmenting Your Email List as Easy as Collecting Pokemon Cards
When I struggle with a headline for my own blog, the problem is often that I’ve not defined the benefit well enough. It can help to ask yourself the question Why a few times. E.g.: Why would someone want to segment an email list like a Pokemon geek? Because it’s easy. You could possibly go even further. Why would someone want to find an easy way to segment an email list? Because segmentation reduces unsubscribers and increases sales.
How can include guide? Like this? (It’s to long?)
The Ultimate Facebook Contest Grand Prizes that Attract Customers and Deter Prize Hunters
The problem here is that it becomes unclear what Ultimate refers to – Facebook, contest, grand prizes? If you want to include the word guide then you could go for something like:
A Complete Guide to Facebook Contest Prizes that Attract Customers and Deter Prize Hunters
However, at 90 characters that’s quite long. I usually try to stay within 80 characters as that leaves enough space for a link, a Twitter handle, and retweet. I prefer the earlier version.
Enchant readers. Woo customers. Win business.