Right around Apple's iPhone 5 launch, the two U.S. carriers without a widespread 4G LTE network announced plans to provide one that can support the new iPhone.

Google added 4,000 new hotspots in the U.S. as part of its country-wide free Wi-Fi experiment. However, none of these will not be available on the iPhone or iPad.

Apple CEO Tim Cook rehashed feuds and rivalries with competitors at the Apple iPhone 5 event in San Francisco, California.

IBM is expanding the social networking capabilities of its IBM Connections software, including a twitter feed and iPhone 5 compatibility.

Siri co-founder and Apple Engineering Director Adam Cheyer left the company, being the second of Siri's three co-founders to depart.

What Facebook founder and CEO Mark Zuckerberg told viewers at the TechCrunch Disrupt conference in San Francisco: He is optimistic about making more money on mobile than Facebook did on personal computers. Using HTML 5 for the company's mobile service was a mistake. He is disappointed about the low price of Facebook shares. And, there will be no Facebook phone.

Benchmark partner and former Facebook executive Matt Cohler believes mobile ads will become more successful than online ads ever have.