If you have started seeing a little red padlock in your Gmail email, don’t freak out, even if the red padlock is open. All that it means is that the sender didn’t use transport layer security (TLS) when sending it – in other words, it simply means that the email was not encrypted when it was sent.

Don’t have time to go out and get a flu shot? Now through Uber’s UberHealth service, you can have on-demand mobile flu shots come to you! During a one-day promotion last week, in select cities throughout the United States, from Atlanta to San Francisco, Uber Health would bring a nurse-administered flu shot right to your door. While this was a one-day offering, we’re sure that they’ll offer it again. (See below for a full list of cities in which Uber offered an Uber flushot.) And in the meantime, Uber has teamed up with AIDS-fighting program (RED) to raise money for the (RED) AIDS program.