Google Analytics and properly crafted campaign URLs will give you useful insights into how well each separate tool or message is working.

FORBES: Filling In The 'Direct Visits' Data Hole

Microsoft has announced it intends to "retire" its instant message chat tool and replace it with Skype's messaging tool.

BBC: Microsoft ditches Windows Live Messenger for Skype

Cambridge Assessment, which runs three English exam boards, said its new tool would send a message that cheating is not tolerated.

BBC: New weapon in war against exam cheats