You can buy attention (advertising)
You can beg for attention from the media (PR)
You can bug people one at a time to get attention (sales)

Or you can earn attention by creating something interesting and valuable and then publishing it online for free: a YouTube video, a blog, a research report, photos, a Twitter stream, an ebook, a Facebook page.

He vuelto a leerlas, unas semanas después, y creo que merece la pena copiar y pegarlas aquí, para tenerlas más presentes.
Social Media Marketing, en 61 palabras.