Writing on the screen with a flashing paragraph forming the word sign in

writing screen sign in flashing paragraph typography digital display electronic technology concept visual communication digital writing screen text flashing letters technology interaction user authentication sign in process display message electronic communication text formation visual language screen flash visual interaction typing in sign in word user access digital signage textual expression typing concept technology writing user verification typing interaction digital expression technology concept screen writing flashing word flash interaction text word procedure request authentication message prompt process expression signage