Why buy the milk when you can rent the cow? Many businesses find that software subscriptions may be more economical and efficient than endless cycles of software purchases, upgrades and customization. 
Only a few years ago, most businesses felt the pain of being software licensees. The cycle went something like this: 

Issue an RFP, then pay big [...]

If everyone thinks telework is a great idea, why aren’t all employers doing it?  
If only we could rise on a weekday morning without having to put on our work clothes, start a cranky car, fight our way through smoggy traffic, pay for expensive parking stalls, then do it all over again at the end of the day. [...]

When I was updating my information on LinkedIn.com, a business networking site that allows professionals to create and expand their own private networks of colleagues, clients and consultants, it occurred to me that in an open Internet environment where it’s hard to know who you can trust (e.g. what used to be called “cold calling” [...]