Ito for gs50:
"GoSURF50, you are eligible to avail these promos so that you can enjoy more of what you want! Just text keyword to 8080: GS ADDSURF15 - additional 100MB for 1 day, P15. UNLI10 - unli calls/text to Globe/TM for 1 day, P10. GS EXTEND - extend the validity of your surfing MBs for 1 day, P5."