TIME IN A TABLE
Table 1-1 provides you with a concise view of the evolution of the App Store over the past few years.
To appreciate this phenomenal growth, it may be helpful to take a visual look at the general trend of apps downloaded versus apps available in the current App Store. Figure 1-1 shows data points taken from Wikipedia spread roughly over a three-year period. It is interesting to note that the trend of downloads versus available apps is roughly similar, which means that, overall, the market isn't getting too oversaturated with apps. Otherwise, the amount of downloads would not be keeping pace. It may also be that Apple's approval controls are working.
Now let's look at the evolution of the modern App Store ...