Facebook Has Difficult Road to Make Ads Unblockable

"“Facebook engineers could try harder to obfuscate the differences. For example, they could use non-human-readable element IDs to make it harder to figure out what’s going on, or even randomize the IDs on every page load. We’re surprised they’re not already doing this, given the grandiose announcement of the company’s intent to bypass ad blockers,” Arvind Narayanan and Grant Storey of the CITP wrote in a post analyzing the situation."