The iPad 2 has triggered a minor panic among PC and tablet makers, including a possible HP change in strategy for the future TouchPad, insiders said late Monday. A number of notebook designers, including Acer, ASUS, and HP, have reportedly looked at adding tablet features into what were going to be conventional designs. Digitimes cited the example of a 10-inch Eee Pad's USB keyboard as an example of what sort of Changes might take place.