Pinboard is ten!pic.twitter.com/rmBf2BVBbY
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For me, that will be @b3ta, est. 2001
Still have a ton of love for Jick and the gang at @asym!
Congrats on 10 years! I'll go with the wayback machines, https://web.archive.org/ , launched in 2001. (My first choice was sci-hub, but apparently that is 2 years shy.)
Err, also apparently I can't read either, so that's the @waybackmachine; thanks for being there!
@BoingBoing is a delight
@dreamwidth is also 10 this year, and a big part of my online life still!
I like https://sewing.patternreview.com/ - if you sew, you can see what other folks thought of the sewing pattern, and it has some very informative forums. 
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