Keyword Analysis & Research: when was the email first used

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the email first used	1.76	0.1	8856	29	29
when	1.06	0.6	605	13	4
was	0.04	0.6	3568	18	3
the	1.31	0.2	3881	34	3
email	0.49	1	4633	74	5
first	1.47	1	2290	75	5
used	0.31	0.4	8722	66	4

Keyword	CPC	PCC	Volume	Score
when was the email first used	1.46	0.5	454	15
what year was email first used	0.82	0.4	809	27
when was email first used by the public	1.43	0.6	4750	31
email first used	0.65	0.6	7616	52
when was email first used in the workplace	1.58	0.4	7012	88
first time email used in india	0.09	0.7	1884	7
where was the first email system used	0.16	0.4	1560	57