We have very high speed FIOS, but Yahoo mail is Veeeerrrrryyyyy SLOW, very slow on composition of new emails, screws up opening of emails, and gives annoying ads to boot.
Going back to Outlook. Pure email.
If Yahoo doesn't give its users the option to switch back to the previous version soon, I might have to migrate back to Mozilla Thunderbird.
This 'new and improved' version of their email program is anything but. It's a colossal fail and needs to be corrected immediately.