How to detect a LinkedIn account? Can a customer be identified by mobile phone number or email address?

The system supports user-activated, online, and time-of-use filtering, enabling operations teams to understand account activity patterns for targeted advertising and community engagement.In traditional WhatsApp marketing, companies often fall into the dilemma of "casting a wide net but finding few fish" - blindly pushing messages to a large number of numbers, with over 50% of them being unavailable or silent, resulting in serious waste of marketing costs and making precise reach a mere empty talk.