<s>
Contact	B-Application
scraping	I-Application
is	O
the	O
practice	O
of	O
obtaining	O
access	O
to	O
a	O
customer	O
's	O
e-mail	O
account	O
in	O
order	O
to	O
retrieve	O
contact	O
information	O
that	O
is	O
then	O
used	O
for	O
marketing	O
purposes	O
.	O
</s>
<s>
The	O
New	O
York	O
Times	O
refers	O
to	O
the	O
practices	O
of	O
Tagged	O
,	O
MyLife	O
and	O
desktopdating.net	O
as	O
"	O
contact	B-Application
scraping	I-Application
"	O
.	O
</s>
<s>
Several	O
commercial	O
packages	O
are	O
available	O
that	O
implement	O
contact	B-Application
scraping	I-Application
for	O
their	O
customers	O
,	O
including	O
ViralInviter	O
,	O
TrafficXplode	O
,	O
and	O
TheTsunamiEffect	O
.	O
</s>
<s>
Contact	B-Application
scraping	I-Application
is	O
one	O
of	O
the	O
applications	O
of	O
web	B-Application
scraping	I-Application
,	O
and	O
the	O
example	O
of	O
email	O
scraping	O
tools	O
include	O
Uipath	O
,	O
Import.io,	O
and	O
Screen	O
Scraper	O
.	O
</s>
<s>
The	O
alternative	O
web	B-Application
scraping	I-Application
tools	O
include	O
UzunExt	O
,	O
R	B-Language
functions	O
,	O
and	O
Python	B-Language
Beautiful	B-Library
Soup	I-Library
.	O
</s>
<s>
The	O
legal	O
issues	O
of	O
contact	B-Application
scraping	I-Application
is	O
under	O
the	O
legality	O
of	O
web	B-Application
scraping	I-Application
.	O
</s>
<s>
Following	O
web	B-Application
scraping	I-Application
tools	O
can	O
be	O
used	O
as	O
alternatives	O
for	O
contact	B-Application
scraping	I-Application
:	O
</s>
<s>
UzunExt	O
is	O
an	O
approach	O
of	O
data	B-General_Concept
scraping	I-General_Concept
in	O
which	O
string	O
methods	O
and	O
crawling	B-Application
process	I-Application
are	O
applied	O
to	O
extract	O
information	O
without	O
using	O
a	O
DOM	B-General_Concept
Tree	I-General_Concept
.	O
</s>
<s>
R	B-Language
functions	O
data	O
.	O
</s>
<s>
rm.a( )	O
can	O
be	O
used	O
as	O
a	O
web	B-Application
scraping	I-Application
strategy	O
.	O
</s>
<s>
Python	B-Language
Beautiful	B-Library
Soup	I-Library
libraries	O
can	O
be	O
used	O
to	O
scrape	O
data	O
and	O
converted	O
data	O
into	O
csv	O
files	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
there	O
exists	O
three	O
most	O
commonly	O
legal	O
claims	O
related	O
to	O
web	B-Application
scraping	I-Application
:	O
compilation	O
copyright	O
infringement	O
,	O
violation	O
of	O
the	O
Computer	O
Fraud	O
and	O
Abuse	O
Act	O
(	O
CFAA	O
)	O
,	O
and	O
electronic	O
trespass	O
to	O
chattel	O
claims	O
.	O
</s>
<s>
For	O
instance	O
,	O
the	O
applicability	O
of	O
the	O
CFAA	O
has	O
been	O
narrowed	O
due	O
to	O
the	O
technical	O
similarities	O
between	O
web	B-Application
scraping	I-Application
and	O
web	O
browsing	O
.	O
</s>
<s>
Under	O
the	O
Cybersecurity	O
Law	O
of	O
the	O
People	O
's	O
Republic	O
of	O
China	O
,	O
web	B-Application
crawling	I-Application
of	O
publicly	O
available	O
information	O
is	O
regarded	O
as	O
legal	O
,	O
but	O
it	O
would	O
be	O
illegal	O
to	O
obtain	O
nonpublic	O
,	O
sensitive	O
personal	O
information	O
without	O
consent	O
.	O
</s>
