Greetings agents,

A new "Klue Clue" has been posted by truths33k3r approximately 19 hours ago. The title of the clue is "WHO's there" and has "toktok" within the url path. I need your help to solve this puzzle.



I think truthseeker has given a two for one clue here

Both posters are highlighted blue, as are her eyes.
Also, there is blue text in the lower left reading "TELL" and what looks like the start of an "M".

Looking at the image source 2147483647 shows up as the z-index.
Google yields: