schweiz_seo: What’s the best attribution model For PPC https://t.co/ptlh1mY78U #RVSG

schweiz_seo: What’s the best attribution model For PPC https://t.co/ptlh1mY78U #RVSG #SEO

— Herman Her (@hermanher13) June 28, 2016

Source: @hermanher13 June 28, 2016 at 12:51PM