who invented the vending machine

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
who invented the vending machine	0.16	0.8	3062	36	32
who	1.52	0.7	1645	33	3
invented	1.4	0.9	4740	76	8
the	1.98	0.8	5329	72	3
vending	0.4	0.1	5638	86	7
machine	1.38	0.5	2934	66	7

Keyword	CPC	PCC	Volume	Score
who invented the vending machine	0.8	0.9	7198	21
when were vending machines invented	1.69	1	7994	42
when was the vending machine invented	1.49	0.1	6546	91
who invented vending machines	1.25	0.7	3734	99
when was the first vending machine invented	0.82	0.8	8046	93
vending machine invented	1.28	0.6	3758	20
who invented the first vending machine	1.47	0.7	5584	79
where were vending machines invented	0.49	0.9	251	98
when were cigarette vending machines invented	0.61	0.1	8340	88
what year were vending machines invented	1.75	0.2	703	42
why were vending machines invented	1.77	0.9	3256	4
first ever vending machine	0.76	0.4	7826	58