<p>Gmail filed this "urgent flight alert" in the "Updates" tab rather than the primary inbox.</p><p>Screenshot / Gmail (highlight added)</p><p>A lot of people hated the redesigned Gmail, with its automatic sorting of your messages into tabs like "Primary," "Promotions," "Social," "Updates," and "Forums"or, as I like to call them, "Email," "Bacn," "Bacn," "Bacn," and "Bacn." I loved it. Finally, I could sign up for whatever Web service I pleased without fear of hopelessly cluttering my main inbox. I wrote a story calling the new Gmail the best thing to happen to email since the old Gmail. I still believe that's true, mostly. But a caveat that seemed small then seems a little bigger in light of a recent mix-up.</p><p>When you switch to tabs, one of the first things you have to do is go through your non-Primary inboxes and make sure that Gmail isn't diverting any urgent messages from your main inbox. It probably is: One of the first things I noticed was that my urgent calendar alerts were going into "Updates," which sort of defeated the purpose.</p><p><a href="http://www.slate.com/blogs/future_tense/2013/12/18/new_gmail_inbox_check_the_updates_tab_if_you_have_holiday_travel_plans.html">Keep reading...</a></p>