Your peer group are people with similar dreams, goals and worldviews. They are people who will push you in exchange for being pushed, who will raise the bar and tell you the truth. They're not in your business, but they're in your shoes. Finding a peer group and working with them, intentionally and on a regular schedule, might be the single biggest boost your career can experience.
Seth GodinPersonalizatio n wasn't supposed to be a cleverly veiled way to chase prospects around the web, showing them the same spammy ad for the same lame stuff as everyone else sees. No, it is a chance to differentiate at a human scale, to use behavior as the most important clue about what people want and more important, what they need.
Seth Godin