Task: I want to encourage my friend too. Share my progress to friend Rick Weinstein to his mail id : rick.weinstein@dayrep.com 
Steps:
Click on the View History
Click on the recent done activity
Click on the Share button
Click on the three dots at the bottom right of the screen
Click on the Gmail at the bottom left of the screen
Type rick.weinstein@dayrep.com
Click on the suggested mail id
Click on the send button at the top right of the screen