What RAG should search, and what an index should answer

The second part of an “Adopting RAG” series examines how retrieval‑augmented generation should index and answer queries, highlighting cases where similarity scores leave ambiguity. Meanwhile, the new AI assistant Wabi, launched by Eugenia Kuyda with a $20 M pre‑seed from a16z, offers collaborative, thread‑based mini‑app building. The article also explores the cost of AI models across twelve languages, warning that unequal access could widen socioeconomic gaps.