The ability to create custom emails using templates was really helpful when I first started out! It's also great having multiple ways (SEO friendly URL vs direct) in which we could submit our site into search engines - this way they don't penalize us if one method doesn't work as well due to their algorithm change/updates at any given point during development process.
Also being able to use various social networks such LinkedIn etc., allows me more flexibility than other platforms like Hubspot who only allow Facebook posts via specific tabs within my account page; not allowing easy integration across channels without extra software purchases / subscriptions. Not much dislike about posta yet but there are so may things going right now between myself & team members working together daily to make sure everything runs smoothly!! Creating targeted landing pages through Google Analytics data analysis has been very useful especially since most people tend to forget what keywords were used priorly.