popupad Surfer's distraction Opera annoyance? Internet nuisance ... or a hint to four answers in this puzzle Flashing annoyance Etail promotion Computer plug? Bit of Web clutter, and a hint to making sense of four answers in this puzzle Annoying online flasher Safari sight Online annoyance Browsing annoyance Surfing annoyance Window one would rather keep closed Website annoyance Web surfer's annoyance Surfing intrusion