This post originally appeared on Upgrd.com's Live and Let's Fly.

Live and Let's Fly has been silent the last three days as I weighed how I wanted to cover what happened to me on a United Airlines flight from Newark to Istanbul last week. The situation was both traumatizing and highly embarrassing and I wanted to ensure that I had ample time to consider what transpired before hurling any accusations or failing to understand the other side. But frankly, the more I replay the incident in my mind, the more certain I become that I was wronged. Here's my story: Last Thursday I was scheduled to fly from Newark to Istanbul on United's direct flight. The 767-300 was outfitted in a two-cabin configuration, staffed by a legacy United crew, and I had been upgraded to business class. It was my first time on this reconfigured aircraft and my first longhaul in the Continental BusinessFirst seat. Naturally, I wanted to provide a review for you.

As I settled into my seat, I pulled out my iphoneto take a few pictures of the seat. When I held the phone at forehead level to take the picture below, a flight attendant came running over and told me that I could not take any pictures of the cabin. She referenced this section of the Hemispheres magazine:

CNA STAFF, Feb 22, 2013 / 04:08 pm (CNA).- The bishops of Tanzania called on the local people to work and pray for peace after the recent murder of Father Evarist Mushi on the island of Zanzibar.

Bishop Tarsisius Ngalalekumtwa, president of the Bishops’ Conference of Tanzania, said in his funeral homily that the first victim of the killing is the peace that exists between Christians and Muslims in the country. He urged the community to resist the temptation to respond to the tragedy with more violence.

  was killed Feb. 17. Reports indicate that the priest was killed on his way to Sunday Mass by two men on a motorcycle, who shot him in the head.

In addition to Bishop Ngalalekumtwa, six other bishops attended the funeral, including Cardinal Polycarp Pengo, Archbishop of Dar es Salaam, as well as the president of Tanzania, Jakaya Kikwete, who is Muslim.

As startup prices soared in the runup to last year's Facebook IPO, entrepreneurs, investors, and tech observers sometimes griped about lofty valuations.

Just mention Foursquare, say, or LivingSocial, and they'd go off.

These are tech companies that snagged a lot of press and tens (or hundreds) of millions of dollars before solidifying their business models. Investors say they're worth tons of money—but in the end, that's a gamble, and the companies may actually be worth nothing.

After a few years of massive hype in the startup sector, absurd-sounding valuations are starting to correct themselves. Startups are confronting the prospect of raising "down rounds" from investors—or rounds of financing that value the companies at less than the previous round.

LivingSocial, for example, was once valued at $5.7 billion; it's now worth a quarter of that, or less, depending on whom you ask.

But more often, down rounds happen at a far earlier stage, a result of too-lofty valuations assigned in initial financings. 

What happens when companies that were once worth billions of dollars suddenly find themselves worth much, much less? And why were they ever valued that high in the first place?