Teachers' problem Just a few years ago a teacher was the only source of the children’s knowledge and was considered to be the sole possessor of ultimate truth. Nowadays the situations has changed and pupils do not need to ask their teacher a question to know the answer anymore because all of them have smartphone with the Internet. From my point of view, this problem is of vital importance for the present-day teachers because children have access to a large amount of different information which they sometimes are not able to filter. To begin with, I would like to recommend a teacher giving a report as a homework to make certain of her/his awareness on this topic. For the purpose, a teacher may look through as many as possible articles concerning the given topic both in a textbook and on Internet. The next recommendation for teachers is to forbid the pupils to use the site ‘wicipedia.com’ as the information given there often relies on dubious and unverified sources and misrepresents or alters information. Moreover, it is important for teacher to emphasize that there must be a l list of the reference links (such as dictionaries, encyclopedias, or sites) in every students’ report and to clearly define the number of the sources that a pupil may use during preparing for his or her report. All in all, a teacher should learn something new every day to keep pace with the modern children actively using the Internet.