Today in Tech: Comcast unveils Netflix competitor by JP Mangalindan @FortuneMagazine February 22, 2012, 8:58 AM EDT 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. * The Verge gives at a long look at Research in Motion’s rise and decline: how it was built and how former co-CEOs Mike Lazaridis and Jim Balsillie lost their way. Also, the company’s ailing BlackBerry PlayBook tablet received a software update that finally brought native apps to access email, calendar, address book and BlackBerry Messenger functions. (The Verge and CNNMoney) * Dell’s fiscal fourth quarter earnings came in below analyst predictions: an 18% drop in net income to $764 million on revenues of $16 billion. (The New York Times) * Comcast CMCSA is working on a new subscription video-on-demand competitor, named “Streampix,” intended to go up against Netflix NFLX . But the streaming service will only be available to those who also subscribe to Comcast cable. (Variety) * Netflix inked a deal with The Weinstein Company. Translation: film titles like The Artist, Sarah’s Key, and The Intouchables, are coming to Netflix Instant. (Techcrunch) * Tech entrepreneurs are getting younger and younger. Venture capitalists like Andreessen Horowitz now say they’re funding startups with 18 or 19-year-old founders. (Reuters) * According to the analytics firm Distimo, many app makers are apparently making more money from their apps in Amazon’s Appstore than they are via Google’s Android Market. (GigaOm) * Is Amazon’s rewards program, Amazon Prime, profitable? Probably not. But it is a vital part of the company’s long-term strategy. (Fortune) * As reported yesterday, Barnes & Noble BKS released a $199 version of its recently introduced Nook Tablet with 8 gigabytes of storage, arguably to better combat Amazon’s Kindle Fire. (Barnes and Noble) Don’t miss the latest tech news. Sign up now to get Today in Tech emailed every morning.