when were text messages invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were text messages invented	0.43	0.8	5052	34	32
when	0.09	0.6	8868	88	4
were	1.67	0.4	8667	19	4
text	0.09	0.4	7833	96	4
messages	0.98	0.5	5236	42	8
invented	1.8	0.4	8869	47	8

Keyword	CPC	PCC	Volume	Score
when were text messages invented	1.98	0.5	833	86
when were texts invented	1.74	0.1	3026	44
when did text messaging start	0.04	0.7	7496	33
history of text messages	1.74	0.5	8782	25
who invented text messaging	0.5	0.1	3667	69
when was the first text message	1.5	0.8	8561	84
why was text messaging invented	0.45	0.5	9713	93
history of text messaging	0.56	0.5	8579	96
what year did text messaging start	0.34	0.7	788	62
when was texting invented	1.09	0.4	2129	69
who created text messaging	1.72	0.7	9321	76
what year was texting invented	1.11	0.9	7843	25
history of text messaging sms	1.51	0.8	2525	31
when was texting created	0.47	0.1	5898	14
when was texting introduced	0.81	1	7042	29