One of my sites got destroyed. Another jumped up a ton. A friends site dropped 30 slots for most of his words. Its all conjecture at this point.
Matthew 4:20 - But of that day and hour knoweth no man, no, not the angels of heaven, but my Web Spam team only.
I experienced a drop in rankings of around 10-30 positions for one of my sites on 13/14 May. Links are mainly web 2.0s, some high PR PBN, mostly high quality contectual. Anyone seen a drop at that time?

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It says it all, different websites tanked over the last 4 days, not interlinked between them. For me it is not a coincidende. Just judge by yourself. All of them were almost ranking top 10, or were going to reach top 10
It's not. If you do chunk-and-burn sites, its expected result. If you do great on-page seo, and use quality donors for backlinking, you will be able to survive all of those updates. Also, SEO nowadays is much more than just reaching TOP-1.3.0 will come out eventually, and THAT'S why I don't do SEO anymore. I call it pissing in the wind, because you never know where you'll end up with, and the direction will change anyway. I'm doing nice, boring, predictable ads now.
Penguin updates always coincide with my vacations. So memorial day weekend friends.
is that true
It's not. If you do chunk-and-burn sites, its expected result. If you do great on-page seo, and use quality donors for backlinking, you will be able to survive all of those updates.