The document provides strategies and specifications for building quality inbound links through various tactics without creating spam. It discusses recent link building news and examines approaches like boosting a Facebook post for $1 per day, conducting a survey for $3,500 in total responses, writing content for $59.50 per 850-word article, curating memes for $30 per month, solving problems for $57.12-81.60 total, and researching bacteria for $1,500 in total to test swabs. Overall, the document outlines several current tactics for natural link building through engaging approaches.