When you see people talking about you, run with it.
Check out how Google did it:
Not too long ago, one of the Gmail engineers broke out her vinyl cutter and made some Gmail m-velope stickers. Pretty soon, they were pasted to our desks, stuck on our laptops, and adorning the walls around the office. Then other people started asking us about them — first it was just other Googlers. But when a guy I was sitting next to on an airplane asked where he could get a Gmail sticker, we realized other people might like them too.
Google did exactly what you should do when this happens – they embraced it.
And now, by sending a self-addressed stamped envelope to their headquarters, you can get you own free Gmail stickers.
The Lesson: Keep your eye out for spontaneous word of mouth and be ready to support it.
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Photo credit: Gmail Blog