Writer: Takataku (Takuya Takahashi) In France from the 1950s to the 1970s, when writing was still done by dipping the tip of a pen into an ink bottle, ink blotting paper (bubber) became popular to absorb excess ink. With the improvement in the quality of fountain pens and the spread of ballpoint pens, the role of blotting paper has ended, but it was also used as advertising for companies and shops, so it became a collector's item.,ja.