Do you use Yahoo mail?
then you will be asked to move to a new faster and improved Yahoo email!!
please do not accept the change to Yahoo mail Beta,
it does not work 
- I cannot reply an e-mail.
- I cannot copy the body of the e-mail.
- It’s slower than the old one,
- I cannot compose an e-mail.
WordPress
Google + 
Facebook
I'm also having problems with the new yahoo beta.
Dear yahoo team,
I cannot see the pictures a friend sent to me!!
Things are improving, now I can see pictures!