speedtest for free on limited data packages
Add coverage rating to Giffgaff app?
Plant a tree
Give out free SIM cards at Heathrow arrivals
Add date to status updates in 'great GG Ideas'
Free GG to GG to renew when goodybag is purchased from existing airtime credit
Have a low cost data bundle for light smartphone users (perhaps a \Megabag\" )"""
Bargainbag - Bag of credit at special rates
Link identifying cookie
Short Codes/USSD codes directory on the Giffgaff app
Kudos colour change when clicked