If a user's mobile client is installed in the user's mobile phone, then the user's chance of seeing the corporate logo and name when browsing the mobile phone can be greatly improved, thereby achieving the purpose of publicizing the corporate image and brand, and improving corporate visibility. What are the assumptions for the above conclusions? ['Strong growth in the number of mobile phone users.', 'The mobile client is a mature technology.', 'Mobile users have the habit of browsing mobile phones.', 'Strong timeliness and low cost of mobile marketing.']