when did twitter start fact checking

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did twitter start fact checking	0.02	0.2	6159	39	36
when	1.56	0.4	9063	68	4
did	1.34	0.9	7374	68	3
twitter	1.9	1	2137	62	7
start	0.67	0.4	1642	36	5
fact	1.03	0.6	8377	57	4
checking	1.45	0.9	1797	37	8

Keyword	CPC	PCC	Volume	Score
when did twitter start fact checking	0.6	0.2	547	66
when did twitter start	0.31	0.5	110	16
when did twitter begin	0.93	0.9	339	76
what year did twitter start	0.23	1	5238	22
when did twitter started	1.21	0.4	164	28
what year did twitter begin	1.66	0.3	1471	60
history on twitter facts	1.92	1	9837	52
when twitter was found	1.43	0.1	1733	50
brief history of twitter	0.38	0.4	8025	15
when was twitter officially established	1.66	0.8	6422	91
fact check on twitter	0.34	0.6	5681	82
what year twitter started	1.03	0.6	5733	56
how long has twitter existed	0.25	0.1	7215	59
what was twitter called first	1.67	0.7	175	56
twitter came in which year	1.05	0.2	5538	2