Until now, researchers believed that homo sapiens, the direct descendants of modern man, evolved in Africa about 200,000 years ago and gradually migrated north, through the Middle East, to Europe and Asia.ther scientists have argued that human beings originated in Africa before moving to other regions 150,000 to 200,000 years ago. Homo sapiens discovered in Middle Awash, Ethiopia, from 160,000 years ago were believed to be the oldest 'modern' human beings.
In recent years, the shortened term app (coined in 1981 or earlier) has become popular to refer to applications for mobile devices such as smartphones and tablets, the shortened form matching their typically smaller scope compared to applications on PCs.
Microsoft is not alone, either. Google () offers a similar service called Google Now for Android devices. Earlier this year, Yahoo! ()paid a cool $80 million for Aviate, an Android app that changes the look of users' homescreens based on where they are, what time of day it is, and what they're doing.