What is a good channel to use for quickly alerting users with short information?

Using SMS/MMS as a channel for quickly alerting users with short information is effective due to its high open rate and immediacy. Text messages are typically read within minutes of being received, making them ideal for urgent notifications. This format allows for concise communication, ensuring that the essential message is delivered quickly without the need for users to navigate through lengthy content.

Additionally, SMS/MMS doesn't rely on an internet connection, allowing alerts to be received in real-time regardless of network conditions. This immediacy and accessibility make SMS/MMS a superior choice for quick alerts, especially in scenarios where timely information is critical.

In comparison, other channels may not offer the same level of immediacy or guarantee that the message will be seen right away. Email may take longer to read and can get lost in crowded inboxes, while push notifications require a specific app to be installed and active on the device, which may not reach all users effectively. Social media platforms can be unreliable for urgent communication, as users may not check their feeds frequently or may miss important updates amidst other content.