Seattle - Delve Networks, formerly known as Pluggd, on Wednesday announced the launch of its Internet TV and online video publishing platform for medium to large-sized publishers. The platform, which will compete with offerings from Brightcove, Maven and others, includes a feature that lets users navigate within a hosted video file to find the exact content they want. Seattle-based Delve is backed by DFJ Frontier, Intel Capital and Labrador Ventures.