Today in Tech: Yahoo to kill 50 properties in restructuring

Fortune's curated selection of tech stories from the last 24 hours. Sign up to get the round-up delivered to you each and every day.

* Yahoo (YHOO) CEO Scott Thompson announced he's cutting or "transitioning" at least 50 Yahoo properties to focus on core products like Mail, Finance, and Sports. (Techcrunch)

* Still wowed by Facebook's $1 billion purchase of Instagram? Prepare to be wowed again. The company actually wanted twice that initially. (The Wall Street Journal)

* Mobile payments startup Square is reportedly raising another round of funding. This time, that round would value the company at $4 billion, four times Square's worth just 10 months ago. (AllThingsD)

* Former Fortune writer Brent Schlender recently discovered dozens of previously forgotten tapes containing unseen interviews with Steve Jobs. (Fortune)

* Microsoft's (MSFT) Gavin Kim, who was poached from Samsung five months ago to work on Windows Phone marketing, is already leaving. (Engadget)

* Why you should hold off on buying a new laptop until this summer at earliest. (AllThingsD)

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