1. SMS Experiment Work as a Group Do not modify the password Send sms to your group mates and yourself 1.Type the phone numbers in the box 2.Use csv or xls (Excel 2003 format) file to send the sms 3.Try the schedule

2. SMS Reply with your own phone Check the reply with your computer Use other features of this system

3. Discussion How can you improve the systems? – e.g. any additional features? What are the possible applications? – What are the benefits? – What are the costs? About HK$0.5 for each message depending on volume (4000 sms /HK$2000 in our experiment) – Any limitations?