What is BDS?
Boycott, Divestment and Sanctions (BDS) refers to the application of pressure in an effort to change government and corporate practices. It is a non-violent tactic employed by a grassroots movement to achieve social justice. In addition to boycott, divestment, and sanctions, it also includes corporate engagement and morally responsible investment. Despite the narrow economic tactic, the goal is to shame violators of human rights and shape public opinion.
BDS is a moral, effective and non-violent approach. It is used by a grassroots movement to achieve change when a situation seems intractable at a governmental and political level.
In 2005, Palestinian civil society issued a call for a campaign of boycotts, divestment and sanctions (BDS) against Israel until it complies with international law and Palestinian rights.
There are many resources out on the internet to learn about the BDS movement, I recommend reading through this particular site to get an idea of what is involved http://www.bdsmovement.net. A lot of the information about BDS on this site was obtained from here, and it goes into far more detail and is much more up to date.