For past year, we've been thinking about all the ways people could use camera phones to convert physical information to digital forms. Some needs are obvious and have large existing markets. Others are smaller but have passionate communities. Still others are completely speculative.
Here's a round-up of some interesting services that address various needs but require users to enter information manually. The common thread is that most of the information orginates in physical forms.
Books and Media Trading
Bookins
LibaryThing
PaperbackSwap
Peerflix
Zunafish
Comparison shopping
Amazon
Froogle
Shopping.com
Shopzilla
Contacts
LinkedIn
Plaxo
Visible Path
ZeroDegrees
Groceries
IntelliScanner
QR codes
Lots of action in Japan for linking physical information to digital sources. RFID in Japan (formerly QR Codes in Japan) has a long archive of uses.
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