45-to-54-year-olds are Twitter’s “highest indexing age group,” and are 36% more likely than average to visit the site. [comScore]
Amazon, WalMart raise prices on MP3s after Apple does [paidContent]
Nintendo could allow video downloads from Wii to DS [WSJ]
Mobile social networking startup Brightkite sells to another startup [TechCrunch]
Nokia Siemens wants to buy some wireless units from bankrupt Nortel [WSJ]
Cox the first big cable company to build its own wireless business [WSJ]
NOW WATCH: Tech Insider videos
Want to read a more in-depth view on the trends influencing Australian business and the global economy? BI / Research is designed to help executives and industry leaders understand the major challenges and opportunities for industry, technology, strategy and the economy in the future. Sign up for free at research.businessinsider.com.au.