When bad weather strikes it needn't be a problem
How often does it happen that the after school running club is planned and it pours with rain. Or it's sports day and the heavens open.
Avoid the pain and effort of trying to spread the word by sending a simple text message. It will take you no more than 2 minutes and everyone gets the message immediately.
No drama, no fuss.
Be sure that everyone has got the message
If you want to be absolutely sure that your message reached everyone it was intended for simply check the Sent Items report and you'll see the delivery status of every single message. You can then follow up on those whose mobile is turned off for example.