A cellphone would give information about the cellphone. Might be single use/shared burners - might be turned off. In certain cases the Netflix account might giv

A cellphone would give information about the cellphone. Might be single use/shared burners - might be turned off. In certain cases the Netflix account might give better information (For example, imagine Snowden login in to Netflix in his hotel room. Or more likely, one of the journalists logging in to theirs...).