But somewhere down the line, iRobot stopped innovating in the ways that justified its steep price points. Roombas started costing way too much for the brainpower or cleaning performance they offered. I saw the Roomba flop era coming from a mile away. iRobot tried to rectify its overpriced tendencies with the eight new Roombas in March 2025, but even those didn't sell well enough to save iRobot from bankruptcy.
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With that detour out of the way, it was time to look at the last remaining suspect: the bond wires. It pretty much had to be one of the two bonds from the crystal to the controller, since the crystal itself appeared to be resonating fine, and the connections from the controller to the package pins appeared intact.
Low barrier to entry. This attack requires write access to the knowledge base, which any editor, contributor, or automated pipeline has. It does not require adversarial ML knowledge. Writing convincingly in corporate language is sufficient for the vocabulary-engineering approach. More sophisticated attacks (as demonstrated in PoisonedRAG) use gradient-based optimization and work even when the attacker doesn’t know the embedding model.，详情可参考超级权重