A New Definition for Inbound Marketing. By Eric Wittlake 17 Comments. Inbound marketing is a hot topic in B2B marketing. However, as more B2B marketers grab the inbound marketing flag, many will miss the two keys to making inbound marketing effective:1  Be found through the recommendation of others. 2  Delight those that find you.nbound marketing is a hot topic in B2B marketing. However, as more B2B marketers grab the inbound marketing flag, many will miss the two keys to making inbound marketing effective: 1  Be found through the recommendation of others.