Not able to interact with major sites like Verizon and Blue Cross Blue Shield. Today, I was not able to look at my Verizon account. The browser kept switching to a Facebook container even when I selected it to override. At times, it blocks logins, or doesn't allow a login button to activate, so I have to use Chrome. I'm getting to the point where after years of loving this browser, I'm seriously considering using Chrome. What is going on, Firefox??????