Ehsanul Hoque

Articles

JUNE 2026
11
Why LLMs Couldn't Count the R's in "Strawberry" — and How Spelling It Out Fixed It
An AI that writes essays and debugs code couldn't count the r's in "strawberry." The reason reveals how LLMs really see text — and the fix is simply spelling it out.
5 min read · llm, tokenization, ai, machine learning, prompt engineering, chain-of-thought, nlp, chatgpt, strawberry problem, ai limitations
APRIL 2026
28
Notes on WebRTC echo cancellation, after twelve device families
AEC defaults look fine in the office and embarrassing on a Pixel 4a in a café. Here's what actually worked across the matrix.
5 min read · android, webrtc