Forrester predicts B2B interactive marketing spending to reach $4.8 Channels : Asked to rate the effectiveness of specific social media sites in their marketing efforts, more than one-half of respondents said that Facebook was “extremely” or “somewhat” effective. In contrast, when Hubspot surveyed B2B companies in North America about lead generation through social channels, 45% rated LinkedIn effective, compared with just 33% who said the same of Facebook. Below are a collection of B2B social media statistics collected from various sources covering a wide range of topics. We