Awesome, you are obviously ranking extremely non-competitive terms despite their search traffic,
In other news, my sites that are all on non-competitive terms have all increased too... really ... what's the point?
Do you even pay attention to anything in the ultra competitive pharma/finance/insurance/lead markets? or just want to pretend your private network is so awesome that people buying up 17,000 blogposts/mth on fully private networks just don't know how to play the game?
I'm curious... because I have a wide range of custom bots running on my sites, doing things you couldn't even find a service to do for you, and yes they all benefit... so what?
What's changed, and what's been destroyed, are all of the high profit, ultra competitive markets. Not a single site in the top 10 back in Feb is still there... across the board. Not unless those sites are huge brands (progressive or statefarm etc)
Thanks... your link building strategy isn't special, believe me, at all...
Everyone can afford private blog networks, and if it was just a matter of building your own, I'd have 1000 domains with PR3 or higher by next PR update.
I've built 2000 high PR (PR4+) ******** links by comments + one of my sites has over 3000 higher PR blog posts, from fully private networks, and around 200k active web 2.0s in a pyramid (not built with a crappy tool like SEnuke either).
That site is still being outranked by sites with 1/100th as many links and crappier quality ones... this niche is ultra competitive though. How I've gotten my site to recover (it was not penalized) from its Feb drop is stupid, and shouldn't have worked, but it did.