Three Cups of Tea: Questioned if it is a Myth

Three Cups of Tea , the book on the life transforming experience of Greg Mortenson (famous mountaineer-turned girls-education-supporter) has been a best selling book for several years. The facts behind this non-fiction have come under fire recently after several (ex) donors and other people related to the Central Asia Institute (including former board trustee John Krakeuer - author of Into Thin Air) questioned the financial policies in the charity.

United Changes Mileage Plus Award Fees

This post is copied from a press release of United Airlines Mileage Plus program. Planning award travel? Please note some important changes to award fees.

Does Twitter Have an Ignore button or way to deal w/ spam

How does Twitter let its users handle spam/irrelevant marketing type posts crammed with hashtags and keywords of everything under the sun?

Does it have an active team or do they offer an "ignore user" button or "Mark Spam" button?
I am very curious to know!! thanks!!

I got really annoyed trying to find tweets about $BMY all filled with junk.