By knowing the analysis of data, so users can determine whether the booms were made popular or not. Data analysis includes things like Impression, Retweet, to click on the link that was distributed.
As reported by TheVerge, this is still an experimental feature limited and not available to all users.
Those who caught this test will detect the "View Details Analytics" in every tweet they send.
If clicked, it will display the analysis of data taken from the platform analytics.twitter.com. In the platform, in addition to the data analysis, available also functions to promote tweet (pay).
The Twitter did not comment on the features that are still experimental.