You must have noticed that throughout this book, in the initial section of the chapter, you learned something new and in the last section of the chapter will you solve few real-life problems by developing a prototype. Following this tradition, in this section, you will develop two prototypes. In this section, you will learn about the following topics:

  • The track object position
  • The case study of OpenRelief
  • Twitter-enabled surveillance systems

The track object position

For an object, there are needs that you want to keep particular item at the same place where you have taken and in some cases you require precise information. In this section, you will develop an application that will find the position of a particular object (for example, a circular ...

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