But maybe Rankâs words still apply to contemporary art today, eight decades after he wrote them. Jeff Koons, Damien Hirst, and all the usual, contemporary art attention vampires never deal with religion, either positively or negatively.
Kinvey CIO survey: $270,000 average cost per app. 56 percent of mobile leaders surveyed say it takes from 7 months to more than one year to build one app. 18 percent say they spend from $500,000 to over $1,000,000 per app, with an average of $270,000 per app. Source: Kinvey Survey.
The short answer is $1 at a time. In some countries, the app costs about $1 to download; in others, the first year is free but, each subsequent year costs $1. With over 700 million active users and about 1 million new users per day, yearly revenue can be estimated at $700 million per year.