Turkish Competition Board fined Nadirkitap Bilişim ve Reklamcılık A.Ş. TL 346,765.63 for abusing its dominance via preventing seller members’ access to the book data (they had uploaded to www.nadirkitap.com) and data portability. The press release dated 12.04.2022 about the decision of the Turkish Competition Board, dated 07.04.2022 and numbered 22-15/273-122, is available via https://www.rekabet.gov.tr/tr/Guncel/nadirkitap-bilisim-ve-reklamcilik-as-hak-353504ac26baec11a21e00505685ee05