Instagram reaches 27 million registered users, shows off upcoming Android app  —  Instagram, the photo-sharing app that has taken a definitive lead on iOS, said it has surpassed 27 million registered users.  —  Co-founder Kevin Systrom didn't disclose daily active users.

Why the new iPad's Retina Display matters  —  Specs are specs, and every time a new device is announced we expect the numbers to ratchet a little higher.  This is the stuff that makes people (especially tech pundits) so cynical of upgrade cycles: the typical incremental updates don't tend …

Is CNN buying Mashable?  —SXSW  —  Breaking News from SXSW: Reuters blogger Felix Salmon has learned from an unnamed source that CNN will buy social media website Mashable for more than $200 million dollars.  The source says an announcement is expected for Tuesday.  (March 12, 2012)

Peter Thiel, university-hater, heads to campus  —  (Reuters) - Peter Thiel, the superstar Silicon Valley investor, has famously dismissed university as a waste of time and money, and even offered students cash to drop out.  —  But his views apparently do not apply to himself - or to Stanford University.

A Code of Conduct for Content Aggregators  —  As words and articles became digitized over the last 15 years, they began to float, there for the plucking and replication elsewhere.  Words like “curation” and “aggregation” became the language of the realm, sometimes used as substitutes for describing the actual creation of content.

We just released our Khan Academy iPad app. Download videos, track progress, and more. http://itunes.apple.com/... @khanacademy

Iphone Fails to Gain China Share as Samsung Lead Triples: Tech  —  Apple Inc. (AAPL) got a second partner in China to sell the iPhone in the world's biggest mobile-phone market.  The deal may be too late to catch Samsung Electronics Co. (005930), with a market share that's three times larger and growing.

Les Moonves: Steve Jobs Approached CBS for Apple TV Content  —  The CBS CEO spoke at the UCLA Entertainment Symposium on Saturday, which also included a panel on negotiating talent deals.  —  CBS CEO Leslie Moonves said Saturday that he was approached about a year ago by Steve Jobs …

Apple: iPad preorders sell out, demand ‘off the charts’  —  If you are hoping to score a new iPad from Apple, you might have to wait.  Apple's website shows March 19 as the earliest ship date for online orders of its popular tablet computer.  And there is a limit of two per customer on the number of tablets that can preordered.

OP Ventures: A new European VC is born, with more than €300 million in its pockets  —  Telecom giant France Télécom-Orange (Orange) and advertising giant Publicis Groupe (Publicis) have teamed up with Iris Capital Management (Iris) to create OP Ventures (PDF) …

Jimmy Wales: Wikipedia chief to advise Whitehall on policy  —  Jimmy Wales, the Wikipedia co-founder, has been appointed as a British government adviser on how Whitehall can make policy decisions more transparent, The Daily Telegraph can disclose.  —  The American internet entrepreneur …