Yahoo now allows iOS users to take back an email right after it's been sent.
After you press send, an option to Undo will appear at the bottom of your inbox feed for three seconds. Just tap that and you'll stop the email from sending.
In addition to their most recent emails, users will also be able to see their contact card with information including picture, phone number, and email history.
For Android users, Yahoo has introduced the Stationery feature that allows you to add an extra touch to your emails, making that birthday wish to your best friend or thank you letter to Grandma that much more special.
A few other updates include document preview, home screen widgets, disable swiping, spacing, and update to themes.