Client Notes / Tags
It would be great to be able to add specific tags to a client / appointment note to provide the ability to filter down to see information that is specific to the current task.
For example: If I were to add notes regarding the formula used to achieve a specific colour, I could add a tag like #colour formula. This would then provide the ability to filter down to only the notes that were specific to the formula used for any specific client.
This could be used is a multitude of ways just by adding the ability to tag stuff.