What you've missed:

http://imgur.com/t/szechuansauce/9Rhf8

http://mashable.com/2017/04/03/mcdonalds-mulan-szechuan-dipping-sauce-ebay/

https://www.inverse.com/article/29910-rick-and-morty-szechuan-dipping-sauce-ebay

http://www.ebay.com/cln/definitelynotdanharmon/schwifty-szechuan-sauceposts/393015037019

http://tvtropes.org/pmwiki/pmwiki.php/Main/AlternateRealityGame

https://www.reddit.com/r/rickandmorty/comments/64apgw/hey_guys_whats_this/

https://twitter.com/NotDanHarmon/status/851336136907603969

What's to come:

The ShoneysPost

Interdimensional Sauceposting Challenge - Script Release

DNDH Sauce packet sales begin on eBay (benefits habitat for humanity)

ARG Geocaching Operations Begin in Los Angeles

Seekers of the Sauce Surface (join us at /r/SzechuanSauceSeekers)

Where Puzzle

When Puzzle

The Golden Sauce Packet

What Puzzle

The secret of the sauce is revealed