Open mouth A and insert Foot B. Hewlett-Packard Co.’s recent strategic moves have shaken the confidence of investors. Now customers of the technology giant are also getting nervous. Several H-P customers said they are most concerned about what they see as a lack of a clear direction from the world’s largest tech company by revenue, signaled in part by H-P’s decision to exit the PC business. H-P is currently the world’s biggest maker of PCs by shipments and revenue. Talk about really bad strategy.