Description

<style>.e_editor{font:14px/24px Arial,'microsoft yahei','Times New Roman','b8bf53';}.e_editor div,e_editor p,e_editor td,e_editor th,e_editor li{font-weight:inherit;font-size:inherit;font-style:inherit;font-family:inherit;}.e_editor ul{margin:-10px 0 20px;}.e_editor li{padding:5px 0;}.e_table{width:96%;border-collapse:collapse;empty-cells:show;}.e_table th,.e_table td{padding:5px;border:2px solid #eee;}.e_img{padding:10px 0;text-align:center;}.e_p{line-height:20px;padding:0 0 20px;text-indent:0em;}</style> <div class="e_editor"> <div class="e_p"> Do you still remember IBM Simon? Or are you old enough to ever have an opportunity to meet it? But I believe you must have known or had an iPhone. Actually, IBM Simon is the "father" of smart phones. It came out around 1995 and was the most creative electronic product at that time. However, it didn't look like what a smart phone looks at present and it weighed 510g with a thickness of 38mm. Can you believe it? It's totally impossible for you to put it in your pocket. </div> <div class="e_p"> With the improvement of functions and people's aesthetic attitude towards cell phones, smart phones have experienced a series of changes in terms of size and figure. Figure 1 indicates the thickness change of smart phones in the past years. </div> <div class="e_p"> <br /> </div> </div>