A new article on our website was written by Prof. Eduard Bazelyan based on the recent webinar on secondary lightning effects. It describes the nature of events such as electromagnetic and electrostatic pickup, high lightning voltage entry to the underground utilities occurring in indirect and close lightning strikes. A particular importance of the publication is in easy-to-understand formulas which allow for the independent evaluation of harmful effects of the discharge. Practical recommendations to reduce surges and, certainly, tips for using SDPs allow looking about a range of solutions available for the designer will help choosing solutions which are the most suitable in each individual case. Moreover, the personal experience of the author clearly illustrates natural manifestations of the effects being described.