And others are just proven engagement tacticts, like adding a "like" link by comments to show support for what's being said.
But the administration of President George Bush reversed a once hostile policy in the past year in an attempt to prove that engagement with North Korea, even after it let off a nuclear bomb, could work.
For the first time we also demonstrate that the levels of several CSF APLP1 peptides are markedly affected in response to treatment with the GSM E2012 suggesting that APLP1-derived peptides may be used as biomarkers to prove target engagement for this type of treatments.
"Blyk has proven its engagement model and added value to advertisers in a relatively short period of time.
And I have seen how publishers ability to offer unique content, formats and distribution that have proven high engagement for brands has opened up new revenue streams.
If Mr. Taha's soccer-focused approach has proven that engagement produces results, Mr. Mortada and the government's insistence on brutal confrontation risks further escalation in a country that is fighting an armed insurgency in the Sinai and is witnessing the sprouting of militant urban groups that target security and judicial authorities.
But, for all the Florida bill's shortcomings, its passage did prove that popular engagement can still have an effect, even in an N.R.A. stronghold such as Florida.
Robert Percival, 21, sought to prove that an engagement ring is not always the most important thing, when he asked Jana Rubenstein in a Nordstrom store in Seattle after buying her a pair of sunglasses.
There, at Montbrehain, on 3 October 1918, Lieutenant Joseph Maxwell earned the battalion's first and only Victoria Cross in what was ultimately to prove their last engagement of the war.
We're also expected to have strong opinions to prove our civic engagement, even though the world's complexities and knowledge over-specialization mean that we know less than ever before about more than ever before.
