Technological effectiveness of modern education: features, traditions, innovations Olga Gukalenko, Vladimir Borisenkov, Vasiliy Kuznetsov, Liubov Panova and Liubov Tkach E3S Web Conf., 273 (2021) 12074 Published online: 22 June 2021 DOI: 10.1051/e3sconf/202127312074