Heres about Linkis
Linkis hides original links so they can't be saved or shared without spreading their spam.
Linkis puts banners + pop-ups over the page, frustrating on mobile devices, interferes with screen readers for blind people.
Linkis tweets automated spam from the accounts of anyone who unwittingly signs up for it.
Linkis includes tracking of every link tweeted and clicked.
Can i confirm its an extreme privacy denier and data miner?
Its extreme malware
Heres one link that talks about removal > Removal of linkis