An extremely technical question :)

[PaulSB]

So on the left we have a big blue button which says "NEW POSTS" on the right we have a small lightning bolt icon which also displays new posts.

Obvious isn't it.

 

[ColinJ]

So on the left we have a big blue button which says "NEW POSTS" on the right we have a small lightning bolt icon which also displays new posts.

Obvious isn't it.

Ah, you are right - as long as the page has not been scrolled up!