Service mark symbol. The service mark symbol (â ), the letters SM in superscript style) is a symbol used in the United States to provide notice that the preceding mark is a service mark.
Size matters: The micro and mini USB connectors are of similar width. But the micro connector is much thinner (smaller vertical dimension). Some product designs were not able to accommodate the height of the mini receptacle and the new thinner receptacle will encourage and allow thinner products.
First, you should know what you'll get with both the iPad and the iPad mini. As far as capacity goes, you can purchase 16GB, 32GB and 64GB models of each tablet. Of course there are price differences, and you can upgrade to a 128GB model of the iPad, but standard memory is available on either one.