The document discusses three things white hat link builders can learn from past spammy tactics. First, quantity matters - you need to contact many sites to get a few links, so play the numbers game sensibly. Second, employ multiple link building tactics like content marketing, image distribution, and contributing to publications. Third, find quicker wins through local/regional press and freelance journalists who may link more easily. The overall message is to use a variety of link acquisition strategies while prioritizing quality over spam.