How long will you stay in key places before you will send text messages?

Text messages will be sent if you stay in key places for four hours.

Key places mainly include schools, residential areas, government agencies and institutions, government service centers, commercial complexes, farmers' markets, shopping malls and supermarkets, movie theaters, and public venues (including public libraries, Museums, art galleries, exhibition halls, cultural centers, community cultural activity centers, tourism consultation service centers, marriage registration centers, funeral venues, etc.), bars and restaurants, hotels, fitness and leisure, tourist attractions, parks (including zoos, botanical gardens), religion Activity venues, Internet service business venues, entertainment venues (including dance halls, chess and card rooms, mahjong parlors, script killing, escape rooms, game arcades, etc.), service venues (including bathing and massage, beauty salons, etc.), medical institutions, training Institutions, express terminal outlets, factories, long-distance bus stations, airports, passenger terminals (including ferries), etc.