With her thumbs and a phone and despite zero artistic background, Verashni Pillay got her first exhibition.
		
	 
	
		
		Facebook has bought the photo-sharing service for $1-billion. What does history tell us about the wisdom of such mega-deals?
		
	 
	
		
		Facebook has announced it will pay $1-billion in cash and stock for photo-sharing application Instagram.
		
	 
	
		
		A new breed of photo sharing communities has made a virtue of offering less, rather than more.