It's no secret that Twitter engagement has jumped from retweeting to favoriting — or what Twitter now calls "likes." Anyone can see that in their feed. But why? There are actually several strategies, and some silliness, behind how people are now using the "like" button, and we discover that the three Grow the Dream guys somewhat represent that diversity. Plus Facebook just keeps growing and growing and growing. How big can it go? How many people are on the planet? Plus the importance of creating...
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