Looking on the internet deeply has found these results:

I heard about it is the most popular phrase on the web.

I have heard about it 116,400 results on the web	I heard about it 1105,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Dec 11, 2015 ... I said 'I heard about it before', and a coworker corrected me and told me to say 'I have heard about it before'. Now my understanding was the in�... Dec 1, 2015 ... I have Heard about it but I have never. Seen it �An Example of Exploratory Sequential Mixed Design Study�. Ahmet Polat1, Soner Do?an1�... I have Heard about it but I have never Seen it �An Example of Exploratory Sequential Mixed Design Study�. Ahmet Polat, Soner Do?an, Selcuk Besir Demir �... Dec 1, 2015 ... The Constructivist Approach? I have Heard about it but I have never. Seen it �An Example of Exploratory Sequential Mixed Design Study�.	Englisch I Heard About It From a Friend: Assessing Interest in Buprenorphine Treatment. Aaron D. Fox, MD, MS,1,2 Pooja A. Shah,3 Nancy L. Sohler, PhD, MPH,4�... Englisch 9. doi: 10.1080/08897077.2013.804484. I heard about it from a friend: assessing interest in buprenorphine treatment. Fox AD(1)�... �bersetzung f�r: The first I heard about it was when. � � � �. DE <> EN, DE �> EN, EN �> DE, Deutsch W�rterbuch. Deutsch Subst Abus. 2014;35(1):74

I have heard about it

116,400 results on the web

I heard about it

1105,000 results on the web

More popular!

Dec 11, 2015 ... I said 'I heard about it before', and a coworker corrected me and told me to say 'I have heard about it before'. Now my understanding was the in�...
Dec 1, 2015 ... I have Heard about it but I have never. Seen it �An Example of Exploratory Sequential Mixed Design Study�. Ahmet Polat1, Soner Do?an1�...
I have Heard about it but I have never Seen it �An Example of Exploratory Sequential Mixed Design Study�. Ahmet Polat, Soner Do?an, Selcuk Besir Demir �...
Dec 1, 2015 ... The Constructivist Approach? I have Heard about it but I have never. Seen it �An Example of Exploratory Sequential Mixed Design Study�.

Englisch
I Heard About It From a Friend: Assessing Interest in Buprenorphine Treatment. Aaron D. Fox, MD, MS,1,2 Pooja A. Shah,3 Nancy L. Sohler, PhD, MPH,4�...
Englisch
9. doi: 10.1080/08897077.2013.804484. I heard about it from a friend: assessing interest in buprenorphine treatment. Fox AD(1)�...
�bersetzung f�r: The first I heard about it was when. � � � �. DE <> EN, DE �> EN, EN �> DE,
Deutsch
W�rterbuch. Deutsch
Subst Abus. 2014;35(1):74