Today in Tech: Yahoo to kill 50 properties in restructuring by JP Mangalindan @FortuneMagazine April 18, 2012, 3:16 PM EST E-mail Tweet Facebook Google Plus Linkedin Share icons 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) Don’t miss the latest tech news. Sign up now to get Today in Tech emailed every morning.