Every major airline, retail, travel site, and most websites in general have analytics tracking embedded in the page that captures every action you take on their site. Session replay has been a standard CX - Customer Experience toolset for UX/UI designers/developers for nearly a decade. Google search IBM Tealeaf, Clicktale, hotjar, decible, Adobe Analytics(Omniture), Google Analytics, I could go on. These are all companies/tools that provide the exact same functionality as Glassbox. They’re not literally “recording” your screen, instead they’re tracking every UI event during your session on their site. This includes button clicks, link clicks, form field entry, mouse movements, mouse hover, etc. These events can then be overlaid onto the screens you visited to effectively provide a “recording” or “replay” of your session. This information is used to help everything from driving website design decisions, detecting nefarious users that are trying to hack or exploit a site, customer support to assist when users call after their website visit crashed while trying to book their flight. These are just a few of the benefits analytics data provide. This isn’t an Apple, Android, Windows, Linux, “thing”. It exists across all web platforms and it’s been around for years, most are just now getting a peak behind the curtain.