Check these 14 Gmail Tips and Tricks to decide yourself
Mass unsubscribe- Is your Gmail account cluttered with newsletters? You may not have checked it, there is an unsubscribe button next to the sender's address. Click and declutter your inbox. If the unsubscribe button is not present, type “unsubscribe" in the search box. All the event email notifications you have ever signed will flow on your Gmail screen. Select all conversations that match this search. All the historic Newsletters will be banished from your account.
How to contact gmail support for help is the most common question being asked by everyone. So here we are trying to answer that question. Nobody is 100 percent perfect in this world and entire Gmail Team agrees to this fact. Although the imperfection level of Gmail tends to zero but at times users face some problems while delivering or receiving mails, the Gmail Support Team doesn’t deny this fact.