Hack My Trip tells you how to get free wifi on Delta by changing your browser. Very smart idea!

American Airlines joins everyone else and increases change fees (domestic to 200, international to 300). Hopefully AC’s change fee will remain $75.

Also a US Airways up to 100% buy promo.

Through May 31, 2013, when you buy or gift miles, you can get or give up to a 100% bonus – up to 50,000 miles.

• Buy/gift 5,000 – 9,000 miles, get a 25% bonus
• Buy/gift 10,000 – 19,000 miles, get a 50% bonus
• Buy/gift 20,000 – 29,000 miles, get a 75% bonus
• Buy/gift 30,000 – 50,000 miles, get a 100% bonus