Description
For any type of business, thorough market research is needed to tell you if the intended project venture is good or not. There are many sites that you can obtain market info and on many subjects. One such site is mobile phone development.com. It has great amounts of market research just on mobile phones and their apps. The research posted on this site is mostly done by big corporations which means that the data found on this site is valid and accurate.
Ben –
Good book to have if you want to learn about making apps.