1. TubeMogul.com - TubeMogul is a free video submission service I use to send traffic to my blog. You can send up to 150 submissions a month using the free service. Plus you can use there social bookmarking feature also to send traffic to you blog or blogs. Click TubeMogul.com for more information. 2. OnlyWire.com - I use this social bookmarking service to send traffic to my blog. Plus you can add a share button on your website or blogs. Here are a couple more free social bookmarking sites you can use.