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QR codes for cards
add colored QR codes 
#qrmenu twitter.com/imagplacemaking/s…
Create personal qr code when customer buys tickets #enter
Add direct URLs for profiles 
#tinyfeed
add qr-code for download on phone #press
Research QR codes in Rails for printable QR that points to registry. Obvious choice is rqrcode gem. 
#downpayment
add QR to card #classcards
generate unique address and show qr code client side #invitemember
generate QR code for checkouts 
#checkoutpage
actually put qr code in talk and make some tweaks 
#blog2 
#refactoringbook
Share profile button 
#askmakers
optimized qrcode version 
#qrcontact
Add QR scans to table chart. 
#plutolinks
