I've had a few games in Plat low diamond elo
where the supports buy sightstone or green wards
and put them down in the bushes against 
.
They do NOTHING. ZIP. NADA.
Only 
helps against Eve ganks, so buy them.
And stop complaining about her ganks when you never
bought a pink ward....
This.
Late game you need to buy this: 
If I don't have a pink or it's been cleared, I leave the river unwarded as a sign that danger can still come from there against .
protip number one: eve isn't the only person in her team who can gank
Maybe the adc should buy pinks too... I mean, the support already spends 800 gold on sightstone, and pinks are 100 a piece (and you know the enemy support is going to get on that if they want ganks).
