Gmail

Now Gmail lets you to snooze a mail for some days.. i.e., You can temporarily hide a mail from inbox view than make it shown automatically after few days.

Some times, we receive a mail which we want read again after some days, in such times we have to set a remainder or anything else.

But, now we can use Gmail Snooze setup with apps script. 

If you forget to attach a file, when composing a mail in Gmail, it will alert you if you wrote any one of the phrase in your content...

• I have attached
• I've attached
• I have included
• I've included
• see the attached
• attached file

Google now introduced two step verification process for signing into google account. Now you can add your mobile number for verification.

From google blog