Smartphone on the stand takes up less space on the table, you do not have to take it in hand to see the time or the status of missed calls / sms, and the back cover of your smartphone will not be scratched contacting a solid tabletop. All this applies to the tablet PCs, and in addition, it is more convenient to watch video on a tablet PC, mounted on a stand, rather than holding it in hands. Laptop tables is very useful if you prefer to work sitting in a chair. Laptop on the table will not warm your feet and will not overheat itself, will not suck the dust from the surrounding tissue. Silicone mats glued to the dashboard of a car may firmly hold a phone, notwithstanding any shaking. Moreover, mats will not leave any traces after removing.