Comments: found it difficult to quickly register by text message as this information was displayed towards the bottom of the registration page. Took over 2 minutes to receive a reply when registered. On the home page I expected a direct link to text registration but this wasn't available. S Davis

Comments: seems very complicated to compile but a very useful device which I am sure will work well! It could be put to very good use in this vicinity in addition to our neighbourhood watch scheme. An excellent and worthwhile invention! C Evans

Comments: This is an excellent idea, great diagram broken down well for someone with no knowledge of sms communication. A Marshall