Hi Majie

1) So that wasn’t a glitch – the @majie is referencing your username not email. However I don’t really see the point either – it’s probably just confusing and I and have hidden it from profile areas.
Now I see point haha. It’s a way of linking to your profile from within a post. So for instance -‘check out @majie ‘
Not totally sure how useful this will be, but let’s keep it for now. Will unhide it.

2) Once you have created a gallery you will be able to add media