Twitter is an online news and social network service where users post and interact . Registered users can post tweets , but anyone can read those which are shared publicly . The company is based in San Francisco but has 25 offices across the globe . Twitter has mobile apps for iPhone , iPad , Android , Windows 10 , Windows Phone , Blackberry and Nokia S40 . Users also have the option of sending a tweet via SMS and of streaming video on the site . The website has been ranked the 11th most visited site on the web according to Alexa ’ s web traffic analysis .

SharePoint is a collaborative platform integrated into Microsoft Office 365 . It was launched in 2001 and now has 190mn users across 100,000 customer organisations . This document management and storage system is highly configurable so it can be used in various ways . It comes in varieties that include SharePoint Server , SharePoint Standard , SharePoint Enterprise and SharePoint Online .

24 December 2017