Adjust data file to have affiliate and organic types so telemetry has at least 2 of each type.
(into bug975228) Bug 972930 - Clicks (raw number) for tiles
Add NEWTAB_PAGE_SPONSORED_SITE_CLICKED probe.
Switch to telemetryId instead of tile position index.
Switch to telemetryID
Check in instead of null
Count clicks per type instead of directory index.
Switch description to link from tile.
(into bug972930) Bug 972936 - Overall impressions metrics for New Tab
Count how many directory tiles were visible for each type