As another person who works very closely with those who do this for a living (who stumbled into this thread for a completely different reason), trgt and ctay both had great suggestions.
Setting realistic goals based on data and then measuring attainment against them is the cornerstone to any effective marketing program.
FWIW, Slide Glide is good enough that I actually had bought some before ever registering to post here - its reputation is stellar for a very good reason. If you've never actively marketed it you might be surprised at the results that focused promotion could generate.
MB