Welcome to the Denver Business Journal's Tech Watch, our roundup of today's tech news from around the nation, featuring reports on Pinterest, Cold Brew Labs, Apple, Microsoft, Facebook, Cbeyond, LightSquared, Zynga, Amazon.com, Brocade, Wal-Mart, Clearwire, Inmarsat and more. VC investments in Colorado life science industry up in 2011 Pinterest counters copyright concerns with opt-out code Apple settles suit, offering iPhone 4 owners $15 Apple has huge solar plans at N.C.