Keyword Analysis & Research: when was the rotary phone invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the rotary phone invented	0.13	0.9	8314	31	34
when	0.68	0.3	2993	47	4
was	1.37	0.2	2865	87	3
the	0.89	0.8	1775	52	3
rotary	2	0.4	7418	98	6
phone	0.8	0.8	5086	71	5
invented	0.6	0.3	8993	1	8

Keyword	CPC	PCC	Volume	Score
when was the rotary phone invented	1.84	0.6	8233	8
who invented the rotary phone	0.87	0.3	8883	61
rotary phone invented	0.72	1	181	71
when was the rotary dial phone invented	1.91	0.2	5112	49
what year was the rotary phone invented	1.89	0.7	7794	18
who invented the rotary dial phone	1.24	0.3	6874	70
when was the first rotary phone invented	1.87	0.9	6111	97
who invented the rotary hoe	1.37	0.8	8747	29
when were rotary phones invented	1.08	0.7	6161	46
when were rotary dial phones invented	1.59	0.7	334	66