This simple motivational poster uses the negative space inside the "D" and the "O" to incorporate more letters to create a straight forward message. This is a great example of how negative space can be effectively used to bolster a design's message.
Fill the emptiness. Adopt a pet! I have adopted 3 dogs from the shelter. all purebreds, all amazing dogs who have enriched my life, made me feel safer, made me get out and walk when I didn't want to, let me know I was unconditionally loved!