Hillary Clinton makes history as she gets her own Snapchat Lens ahead of polling day

This US election has been the most digital yet, and if there ever was a surer sign that political campaigning is evolving then it comes in the form of Hillary Clinton's most recent push - a Snapchat Lens. 
Purchased by pro-Clinton Super PAC, Priorities, the buy marks the first time that a US political candidate has used the ad format as part of their campaign. 
The sponsored selfie lens will let Snapchatters overlay a real-time animated version of Clinton's face on to th