As cloud solutions is trending nowadays, Microsoft was introducing Office 365 services with full productivity package including azure active directory, exchange, lync, online Office apps[word,powerpoint,excel,onenote], and online SharePoint. No more worries about servers hardware, backups, installing new updates. you can go more information about office 365 from the following link Office 365 also you have different packages for personal and business, discover more from Office 365 Packages.
Me as a web and SharePoint developer i decide to go more and more in Office 365 from both IT & development perspectives. there are two office 365 certifications
For Office 365 development, there is a free course available on Microsoft Virtual Academy
Just be ready, it won’t be the first post in the future i will develop more posts cover Office 365 tips.