This publication discloses a method for forming electrically conducting structures on a substrate. When administered at a daily dosage of between 5 and 200 mg of active ingredient per kilogram of a body weight of a patient, the substance can be used to treat various neurotic disorders such as insomnia, anxiety, neurosis, depression as well as withdrawal symptoms for drug addiction patients, especially for patients addicted to opioid-based drugs. The second computer is provided an indication that the registered buddy is one of multiple concurrent instant message user logins on a multi-user computer.