The FAA didn't find Allegiant's safety lapses as to be so extensive as to warrant enforcement action. On the other hand, there is cause for concern because deficiencies were found in several areas of the airline's operations.
Lots of consumers start their trip-planning with flights. Expedia will use its customer reviews of flights to spur more flight bookings but the company is also focusing on up-selling and facilitating smooth navigation to hotel and vacation-package options.
Southwest isn't talking yet about the precise cause of the outage but it has been transitioning its reservations system with the launch of international service over the last year and the airline needs to get its act together.
Delta clearly wants to change the "perimeter rule" so it can get access to Los Angeles from LaGuardia. The airline's huge investment in the LaGuardia revamp could go a long way to getting those changes.
The European regulatory probe of Google on several fronts is putting pressure on the U.S.'s FTC to jump into the fray after bowing out under less-than-stellar circumstances a few years ago. Still, don't expect any meaningful changes in Google's practices until the regulatory processes likely wind through the courts.