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Majority of Americans now use ad blockers
(www.theregister.com)
This is a most excellent place for technology news and articles.
I've personally clicked on Instagram ads and made purchases from them. This has pretty much always been for various events, and I don't really have any regrets there. I've seen some cool plays and gone to parties that I'd never have known about otherwise.
I can't imagine what would ever drive someone to click on a random banner ad though.