On Twitter's blog page, Rishi Chadha, the Head of Gaming Content Partnerships has written an E3 summary for the most popular tweets throughout the week.
According to Chadha, during the week of E3 "there were nearly 15 million #E3 related Tweets" and the "highest spike in E3 conversation came during the Nintendo Direct press conference between 9-10 AM ET on June 12 with 890K Tweets."
The blogpost also reveals where the leading countries of these tweets came from, taking first place is the United States, then Japan, followed by the UK and then Spain and France. The blogpost also offers the most tweeted about companies/newly-announced games. Nintendo comes in at first, followed by Xbox and then Super Smash Bros. Ultimate. Super Smash Bros. Ultimate was also the most talked about newly-announced title, beating Kingdom Hearts 3 and Fallout 76. If you are interested in reading the official blogpost from Twitter you can check it out here.