NCSA Mosaic running on a X Windows Unix system, with plenty of blue underlined links visible.
https://media.hachyderm.io/media_attachments/files/111/286/798/967/747/561/original/3da795634b8680a6.png
@mmu_man I regret to inform you that the first graphical web browsers are now more than 30 years old (and yep, they had underlined links).
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