It *is* a "Gmail thing," Andy. I'm surprised no one relayed this to you before now. Click on the options down arrow that is just above your chat list. If you have a photo, the down arrow will be just to the right of it. There may already be a green ball designating that you are available to e-mail or chat.
On Thursday, September 3, 2015 at 7:55:00 AM UTC-7, Andy wrote: > > Invisible from what? > > Must not be a Gmail thing. > > Andy > > > -- You received this message because you are subscribed to the Google Groups "Gmail-Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to gmail-users+unsubscr...@googlegroups.com. To post to this group, send email to gmail-users@googlegroups.com. Visit this group at http://groups.google.com/group/gmail-users. For more options, visit https://groups.google.com/d/optout.