Over 90% of existing e-readers use a display technology called E Ink, made by a firm of the same name that was spun out of the Massachusetts Institute of Technology in 1997.

• 超过90%25的现有电子阅读器采用了名为电子墨水的显示技术，该技术是一家1997年从麻省理工学院独立出来的同名公司创造的。