Influencer marketing, as measured by volume of posts (with the hashtag #ad), doubled in 2017, according to new data from Klear. A total of 1.52m posts were made in 2017, 894,000 of which were posted in July-December, compared with just 456,000 over the same period in 2016.
Post volume grew every month from July 2016 to December 2017, with the exception of January and September 2017, representing an average monthly growth of 5.8% and a total eighteen month growth rate of 101.2%. It is worth noting that in September 2017, the Federal Trade Commission guided influencers to disclose the brands...