Innovatively publish interactive trailer on YouTube. Bring users a new interactive experience caused the vast number of fans of the strong interest. Attracted more attention from the audience. 

2. Facebook: has a significant number of impacts on the click-through rate, forwarding rate and comment rate.

3. Twitter: make the topic clout——#Sherlock Lives（generated more than 30000 tweets）

4. BBC One's tumbler page: there are up to 47000 stunt pictures with messages. (The stunt picture truly restores the scene of the incident)

5. Other social sites: connect Sherlock fans worldwide through multiple platforms to facilitate access and sharing of information.

6. The TV series Sherlock: attracts nearly 10 million viewers. In particular, New Year's Day attracted the most viewers.

It has expanded its digital coverage, players help solve cases, and its games can be played again. In addition, there is an exclusive extra scene to meet the expectations of TV viewers, ordinary viewers and game players for Sherlock.