Conversation so far:
What is Fallon's online presence?
Fallon dove into the Web prior to the show premiering, creating a Twitter account and beginning a vlog on the show's official website.
Did he get a lot of followers?
Many of the videos received a very high number of views.
What video was the most popular?
Jimmy Fallon & Justin Timberlake" clip that had garnered over 17 million views by October 21, 2013.
What other online platforms is Fallon on?
beginning a vlog on the show's official website, which ran snippets of comedy bits and background reports on how he was building the show.
Was the vlog popular with fans?
The show's Web site was staffed by three full-time bloggers, who compile viral videos and post photos.

Question: Did Fallon's online presence ever cause controversy?
Self-contained rewrite: Did Jimmy Fallon's online presence ever cause controversy?