Someone here doesn't know the difference between these?
Yep. A self-proclaimed 'technical analyst' had his mistake explained to him most recently here: The Market Is Poised for Another Aggressive Bull Run #28
and initially here: HISTORIC DAY FOR US STOCK MARKET! #68 (note here the error is made twice - the anchor article, and post#7).
You can trace the 'reply to' links back to the original posts in error.
You'd think once would be enough, but...well, words fail...