Collected ideas (and bitcoin addresses) so far:
Participant's address: 14wubKDrVbLcxfXjgtExCncxF2GPQKAnp9
Image:
Interpretation: Flipped "A" makes symmetry. It also means "Any". So the logo can be read as "Any Ads".
Participant's address: 1DsMdkAKicqdYGK4LUi4uGka5AFQKWUgMW
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Interpretation: Censored fingerprints show that anonymous ads don't collect any personal data.
Participant's address: 1JZ2CTn9GfFzEtU73hb7fcf4XjkziTqbi1
Image:
Interpretation: Anonymous Ads on TV
Participant's address: 15HQFSGrEkHBPaRp2rcKsQEiW9GBYAsYiF
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Interpretation: Sunglasses show that users don't reveal their personal data when use Anonymous Ads.
Participant's address: 1TimbojaydbZs1x5ptPVovsb9rATH3JSU
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Interpretation: Slash breaks "A" in 2 pieces (the smaller one is the second "A" in "Anonymous Ads").
Participant's address: 171RZK2hizSbUm67q7y5XLRqyAg78FcUnN
Image:
Interpretation: 2 "A"s in 1 symbol
Participant's address: 15HQFSGrEkHBPaRp2rcKsQEiW9GBYAsYiF
Image:
Interpretation: Somebody anonymous (sponge bob? tooth? buzz lightyear?) is reading some ABC book (or some journal with Anonymous Ads?).
Thanks for all participants. Please double check your bitcoin addresses are correct as they will be used for rewards.
PS: If you want to submit new ideas or to comment on them, you are welcome to do it within 12 hours. After that it will be too late. Within 24 hours your works will be evaluated and rewarded.