I have a good few maybe 40 tier 1 web 2.0 that I have built over the last few months none are indexed. I am now starting to building other tiers to them. I have not bookmarked yet, have bookmarking software (no money for proxies and captcha atm). Is tweeting my links a good way to get them indexed? and if I do that do can I tweet from the same twitter acc. and IP or do I need to use different IP for each tweet etc?