Kevin Systrom, cofounder of Instagram. (Twitter)

Mark Zuckerberg negotiated the Instagram deal, originally priced at $2 billion, largely without the Facebook board [Wall Street Journal]

Square’s next round of funding could bring the company to a $4 billion valuation [AllThingsD]

Apple is taking heat from Greenpeace over the environmental friendliness of its new data center [Data Center Knowledge]

Yahoo cutting 50 properties [TechCrunch]

Former Twitter VP launches photo-sharing app called Dabble that has already raised $2.2 million and has a staff of 11 [The Next Web]

Google CEO Larry Page will take the witness stand today in the lawsuit filed by Oracle over the use of Java in the Android system [ABC]

“Please rest assured that system reliability is a top priority at Google, and we are making continuous improvements to make our systems better.” [CNET]

Adrianne Jeffries is the editor of Betabeat. Follow Adrianne on Twitter or via RSS. ajeffries@observer.com