StartupDigest Social – August 5, 2011
5/08/2011For newcomers: StartupDigest Social is the members-only weekly email newsletter of the best articles in the social media industry.
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This week’s edition focuses on LinkedIn shares dropping 10 percent during the day and then shooting up 10 percent, Instagram reaching a milestone of 150 million shared photos, developers sticking with the status quo or swing for the fences, and Randi Zuckerberg leaving Facebook after six years to start a new media firm to help companies become more social.

Hussein Fazal – Co-Founder, AdParlorGareth Smith – Account Manager, AdParlor
What You Need to Read This Week
LinkedIn Gives Wall Street a Tiny Bit of Cheer, Then Something to Worry About
By Peter Kafka, AllThingsD
I wonder how long Wall Street will give them before they really need to juice up those revenue numbers.
Instagram snaps 150M photos, 7M users — still only 4 employees
By Devindra Hardawar, VentureBeat
The social/photo/mobile leaders Instagram flex their muscles this week with some impressive stats.
The app dilemma: Is it a feature, or a business?
By Colleen Taylor, GigaOM
Great article on why some apps don’t need to become a swing for the fences venture and why some should.
Exclusive: Randi Zuckerberg Leaves Facebook to Start New Social Media Firm (Resignation Letter)
By Kara Swisher, AllThingsD
Big name departure at Facebook this week, guess who?