Today Every one know to Avoid Spam mails it's good medium for direct marketing but over 80% mail are only for marketing purpose so that area is not good for reputed marketing if you have subscribe user then only you can have give information about your new product or services but those type of mail also ignored by user if any one want to advertise in today's Era the can use mobile social networking app's to reach more & more peoples in to community but every one has there one limitations there is so many app for example wechat, line, whatsapp, 0hourapp just check the limitations before apply marketing strategy