After Apple’s record-breaking earnings, Stuart Miles looks at what device has the potential to be the iPhone maker’s next big earner. The tech expert also looks at Facebook’s successful play at making money from its users and how Microsoft’s latest results tells an interesting story about the changes in tech.

Apple has confirmed that the long awaited Apple Watch will be available in stores in April, but will it be as successful as the iPhone,which secured Apple earnings of a record $18 billion? Or will it be Apple’s HomeKit and HealthKit that will allow users to control their homes and monitor their health that will take Apple profits to new heights?

When Marck Zuckerberg launched Facebook it remained to be seen whether there was money to be made in social media.  Since then,Facebook has proven that it is indeed able to monetise its user base and with1.4 billion now using Facebook and the firm’s several acquisitions, the companyis set for growth.

Microsoft’s latest earnings tell an interesting story about how fast trends change in tech and the importance of staying one step ahead.Stuart Miles lists Apple and Google among those investing in the future to do just that.