Поделитесь своими знаниями, ответьте на вопрос:
Read the article and tick (√) the things 1-7 that we learn about.1 hotspots.2 how hotspots work.3 possible future hotspots.4 advertising for hotspots.5 hotspots on transport.6 places where there are no hotspots.7 the cost of hotspots.