CS:GO not giftable in the Steam Summer Sale – Valve say it doesn't lead to community growth

For many the Steam Summer Sale isn’t just an opportunity to buy games, but to get them for friends as well. However, for Counter-Strike: Global Offensive on this year's edition Valve aren’t allowing folks to do so. In a statement posted on Reddit they’ve said this has to do with community grow

New Documentary Claims Valve's Policies Are Causing Problems

Valve explains why Counter-Strike: Global Offensive isn't giftable during Steam sale

To create a market listing you have to confirm an email now : r/Steam

Can I sell my CS:GO skins for real money? - Quora

When did this change? You can only use the market if you are constantly buying new games now?! What if I just returned to steam and want to sell things *to buy*

Valve Won't Let You Buy and Gift Counter-Strike: Global Offensive in the Steam Sale, Here's Why - GameSpot

Do you remember when you got your Invite to CS: GO? It was a revolutionary update! Now I am still waiting for my CSGO 2 Invite : r/GlobalOffensive

Counter-Strike: Global Offensive (for PC) Review

You can't gift CS:GO during the Steam Sale

Why the new change to the sale icon I want to see the % I save without doing math :) : r/Steam

Counter-Strike: Global Offensive (for PC) Review

Steam (service) - Wikipedia