Today is the day we leave MASS REVIEWS
So I went through my app list yesterday and realised how many awesome apps I make use of every day which I had not yet left a review for.
I know the developers appreciate it and the good ones definitely read every single one of them so they know how they can improve their apps.
So common guys, go in to App World and leave a helpful review for all the apps you have used and appreciate.
Remember and appreciate the developers time and effort for the app you are reviewing.
Update:
I forgot about this but there is also a little 'Support' button on the top right corner of an app's page - use this to request features and/or report bugs directly to the developer(s)! Leaving bug reports and feature requests in the reviews could potentially confuse future customers!