1. App Development by Platform

2.  $$$ Profit  Windows 8  Ubuntu  Android  Mac  iOS

3.  Which platform are users spending money on and how much?  Things not considered:  Price of apps purchased  Type of apps purchased  Number of competing developers on the platform  Cost of marketing  Cost of developing

5.  App store terms comparison  Survey:  Distributed via the web, social media  ~1000 samples for a +/-3% margin of error  User buying habits  User demographics  Statistic model based on census data and installed user base

6.  $500.00 worth of prizes for random drawing  1-2 Months  Week 1: Design the survey  Week 2: Distribute the survey  Weeks 3 and 4: Compile results  Remaining time: Analyzing and reporting

7.  To get a snapshot of the market  Use the data to make decisions  Improve upon the process  Repeat periodically as the market changes

8.  Helal, Abdelsalam A, Raja Bose, and Wendong Li. Mobile Platforms and Development Environments. San Rafael, Calif.: Morgan & Claypool, 2012. Internet resource.  Apple Inc. iOS Developer Program. n.d. 30 July 2013. http://developer.apple.com/programs/ios  Apple Inc. Mac Developer Program. n.d. 30 July 2013. http://developer.apple.com/programs/mac  Google. Google Play Store. n.d. 30 July 2013. https://support.google.com/googleplay/androiddeveloper/ https://support.google.com/googleplay/androiddeveloper/  Canonical Inc. Ubuntu Software Center. n.d. 30 July 2013. developer.ubuntu.com/publish  Microsoft. Windows 8 App Store. n.d. 30 July 2013. msdn.microsoft.com/en-us/library/windows/apps/