Blogging, like most things, is something you should do often to keep your skills in shape. Not blogging very often makes writing a blog post take a long time. Which proves that input and output are two very different things.
Bronte Media: Bezos 37 Signals. An interesting take on Amazon CEO Jeff Bezos as an investor, secondary markets for private companies and venture capital industry returns.
Venture Beat: Spotify CEO Daniel Ek vague on U.S. launch, company has 320,000 paid subscribers. 10,000 paid subscriptions are roughly €1 million per year in revenue. Given that Spotify talked about hitting 250,000 subscribers around Midem in January, they seem to be growing their subscription-revenue quite nicely.
Inside Adsense: Google-certified ad networks now available to all publishers. AdSense as a platform for monetization through advertising for publishers. Google's play is more interesting than a general ad network's.
Newteevee: YouTube Opens Up Banner Ad Overlays to Everyone. Standardized ad unit sizes are a good thing as they enable advertising buying at scale. Innovation should happen with the ad server with targeting and inside the ad unit with personalization and dynamic content if the goal is to make a multi-billion industry grow quicker.