Reports circulated that Instagram's video feature has already deep-sixed Vine. Those reports are muddy at best, and new data suggest the situation is a whole lot more complicated.
...Marketing Land used Topsy’s free search tool to estimate how many links were tweeted from each service. But as Topsy wrote in a blog post on Friday evening, the free tool isn’t a fully representative depiction of all tweets being shared.
“While both products show trends in social conversation,” the blog post said, “the free Topsy service provides just a subset of the analysis available in Topsy Pro.” Here’s the key phrase: “The free Topsy service generates trend charts using a sample of the most influential people and tweets” (italics mine). The company’s paid product Topsy Pro, however, “counts all tweets and all people, both influential and less so.”
So basically, Marketing Land’s initial measurement method was flawed, insofar as the author’s graph only showed tweets and influential people, while presenting it as a representation of Twitter links as a whole...."