Who created the first home security system searching

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Keyword	CPC	PCC	Volume	Length string	Score
who created the first home security system	0.79	0.4	7486	42	34
who invented the first security system	0.89	0.7	4296	38	84
who made home security system	1.1	0.2	7569	29	13
inventor of the home security system	1.37	0.7	6572	36	36
who invented home security	1.18	0.4	3857	26	93
first home security system	0.32	0.2	4741	26	10
history of home security systems	0.58	0.5	3284	32	22
home security system history	1.03	0.4	1162	28	33
who invented the first home security system	0.76	0.9	7924	43	94
who made the first home security system	0.73	0.1	6739	39	92
when was the home security system invented	0.96	0.3	4189	42	78
who made the first security alarm	1.31	0.4	6303	33	57
history of security systems	0.44	0.4	3134	27	54
the history of security	0.49	0.2	5879	23	87
first home security system creator	0.37	0.8	2424	34	17
home security system invention	1.32	0.4	701	30	84

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