Understanding the digital advertising ecosystem :  hearing before the Subcommittee on Digital Commerce and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, June 14, 2018. 

 - 1 online resource (iii 136 pages) :  illustrations 
<br/><br/> "Serial No. 115-139."  CRDP Program record. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet marketing--United States.<br/>Consumer protection--United States.<br/>Electronic commerce--United States.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Legislative hearings.
<br/><br/><label>LC Class. No.: </label>KF27  / .E55234 2018h 
<br/><br/><label>GPO Item No.: </label>1019-C-01 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.C 73/8:115-139 
<br/><br/><label>Report. No.: </label>Serial no. 115-139 (United States. Congress. House. Committee on Energy and Commerce)