On May 25th, Mark Zuckerberg gave the commencement speech at Harvard University. Looking to the Google Trends for the past 6 mounths, we can see that there was a considerable increase in searches for Mark Zuckerberg over searches for Elon Musk during the May 21-May 27 interval. Seaches for Mark Zuckerberg fall afterwards.
USA today article
On September 22nd, Mark Zuckerberg addressed the fake news on Facebook via a Facebook live speech. In the speech, he outlined a 9 step plan for cracking down on fake news and Facebook posts that were in relation to the 2016 presidential election. Looking to the Google Trends, we can see that there was a slight increase of searches for Mark Zuckerberg during the September 17th and September 23rd interval due to this development.
NY times article on fake news