I Been using My Ipads a lot the last 5 months, now almost exclusively, this is terrible news, They may not be using this now but eBay could be in the near future
Initially this doesn’t look worse than standard tracking cookie as long as it is cleared on a regular basis but clearing the HSTS database frequently renders it much less effective in preventing the very attacks it sought guard against. Therein lies the classic trade-off of security versus privacy. Of the currently two HSTS supporting browsers there is no consensus on this topic. Chrome opts for increased privacy by clearing HSTS database when cookies are cleared while Firefox 4 opts to store HSTS settings in the separate and infrequently cleared site-preferences database.